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| <ul class="subNavList"> |
| <li>概要: </li> |
| <li>嵌套 | </li> |
| <li><a href="#enum.constant.summary">枚举常量</a> | </li> |
| <li>字段 | </li> |
| <li><a href="#method.summary">方法</a></li> |
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| <li>详细资料: </li> |
| <li><a href="#enum.constant.detail">枚举常量</a> | </li> |
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| <div class="subTitle">org.apache.calcite.sql.validate</div> |
| <h2 title="枚举 SqlConformanceEnum" class="title">枚举 SqlConformanceEnum</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true" title="java.lang中的类或接口">java.lang.Enum</a><<a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a>></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.sql.validate.SqlConformanceEnum</li> |
| </ul> |
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| <div class="description"> |
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| <dl> |
| <dt>所有已实现的接口:</dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="java.io中的类或接口">Serializable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Comparable.html?is-external=true" title="java.lang中的类或接口">Comparable</a><<a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a>>, <a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public enum <span class="typeNameLabel">SqlConformanceEnum</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true" title="java.lang中的类或接口">Enum</a><<a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a>> |
| implements <a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></pre> |
| <div class="block">Enumeration of built-in SQL compatibility modes.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- =========== ENUM CONSTANT SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="enum.constant.summary"> |
| <!-- --> |
| </a> |
| <h3>枚举常量概要</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="枚举常量概要表, 列表枚举常量和解释"> |
| <caption><span>枚举常量</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">枚举常量和说明</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL">BABEL</a></span></code> |
| <div class="block">Conformance value that allows anything supported by any dialect.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BIG_QUERY">BIG_QUERY</a></span></code> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics |
| consistent with BigQuery.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#DEFAULT">DEFAULT</a></span></code> |
| <div class="block">Calcite's default SQL behavior.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT">LENIENT</a></span></code> |
| <div class="block">Conformance value that allows just about everything supported by |
| Calcite.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#MYSQL_5">MYSQL_5</a></span></code> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics |
| consistent with MySQL version 5.x.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_10">ORACLE_10</a></span></code> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics |
| consistent with Oracle version 10.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_12">ORACLE_12</a></span></code> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics |
| consistent with Oracle version 12.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#PRAGMATIC_2003">PRAGMATIC_2003</a></span></code> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics |
| consistent with the SQL:2003 standard, but ignoring its more |
| inconvenient or controversial dicta.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#PRAGMATIC_99">PRAGMATIC_99</a></span></code> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics |
| consistent with the SQL:99 standard, but ignoring its more |
| inconvenient or controversial dicta.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#SQL_SERVER_2008">SQL_SERVER_2008</a></span></code> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics |
| consistent with Microsoft SQL Server version 2008.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#STRICT_2003">STRICT_2003</a></span></code> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics strictly |
| consistent with the SQL:2003 standard.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#STRICT_92">STRICT_92</a></span></code> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics strictly |
| consistent with the SQL:92 standard.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#STRICT_99">STRICT_99</a></span></code> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics strictly |
| consistent with the SQL:99 standard.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.summary"> |
| <!-- --> |
| </a> |
| <h3>字段概要</h3> |
| <ul class="blockList"> |
| <li class="blockList"><a name="fields.inherited.from.class.org.apache.calcite.sql.validate.SqlConformance"> |
| <!-- --> |
| </a> |
| <h3>从接口继承的字段 org.apache.calcite.sql.validate.<a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></h3> |
| <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#DEFAULT">DEFAULT</a>, <a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#ORACLE_10">ORACLE_10</a>, <a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#PRAGMATIC_2003">PRAGMATIC_2003</a>, <a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#PRAGMATIC_99">PRAGMATIC_99</a>, <a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#STRICT_2003">STRICT_2003</a>, <a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#STRICT_92">STRICT_92</a>, <a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#STRICT_99">STRICT_99</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <h3>方法概要</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="方法概要表, 列表方法和解释"> |
| <caption><span id="t0" class="activeTableTab"><span>所有方法</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">静态方法</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">实例方法</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">具体方法</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">限定符和类型</th> |
| <th class="colLast" scope="col">方法和说明</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#allowExplicitRowValueConstructor--">allowExplicitRowValueConstructor</a></span>()</code> |
| <div class="block">Whether to allow SQL syntax "<code>ROW(expr1, expr2, expr3)</code>".</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#allowExtend--">allowExtend</a></span>()</code> |
| <div class="block">Whether to allow mixing table columns with extended columns in |
| <code>INSERT</code> (or <code>UPSERT</code>).</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#allowExtendedTrim--">allowExtendedTrim</a></span>()</code> |
| <div class="block">Whether TRIM should support more than one trim character.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#allowGeometry--">allowGeometry</a></span>()</code> |
| <div class="block">Whether to allow geo-spatial extensions, including the GEOMETRY type.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#allowNiladicParentheses--">allowNiladicParentheses</a></span>()</code> |
| <div class="block">Whether to allow parentheses to be specified in calls to niladic functions |
| and procedures (that is, functions and procedures with no parameters).</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#allowPluralTimeUnits--">allowPluralTimeUnits</a></span>()</code> |
| <div class="block">Whether interval literals should allow plural time units |
| such as "YEARS" and "DAYS" in interval literals.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#allowQualifyingCommonColumn--">allowQualifyingCommonColumn</a></span>()</code> |
| <div class="block">Whether to allow a qualified common column in a query that has a |
| NATURAL join or a join with a USING clause.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isApplyAllowed--">isApplyAllowed</a></span>()</code> |
| <div class="block">Whether <code>CROSS APPLY</code> and <code>OUTER APPLY</code> operators are allowed |
| in the parser.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isBangEqualAllowed--">isBangEqualAllowed</a></span>()</code> |
| <div class="block">Whether the bang-equal token !</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isFromRequired--">isFromRequired</a></span>()</code> |
| <div class="block">Whether <code>FROM</code> clause is required in a <code>SELECT</code> statement.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isGroupByAlias--">isGroupByAlias</a></span>()</code> |
| <div class="block">Whether to allow aliases from the <code>SELECT</code> clause to be used as |
| column names in the <code>GROUP BY</code> clause.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isGroupByOrdinal--">isGroupByOrdinal</a></span>()</code> |
| <div class="block">Whether <code>GROUP BY 2</code> is interpreted to mean 'group by the 2nd column |
| in the select list'.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isHavingAlias--">isHavingAlias</a></span>()</code> |
| <div class="block">Whether to allow aliases from the <code>SELECT</code> clause to be used as |
| column names in the <code>HAVING</code> clause.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isInsertSubsetColumnsAllowed--">isInsertSubsetColumnsAllowed</a></span>()</code> |
| <div class="block">Whether to allow <code>INSERT</code> (or <code>UPSERT</code>) with no column list |
| but fewer values than the target table.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isLiberal--">isLiberal</a></span>()</code> |
| <div class="block">Whether this dialect supports features from a wide variety of |
| dialects.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isLimitStartCountAllowed--">isLimitStartCountAllowed</a></span>()</code> |
| <div class="block">Whether to allow the SQL syntax "<code>LIMIT start, count</code>".</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isMinusAllowed--">isMinusAllowed</a></span>()</code> |
| <div class="block">Whether <code>MINUS</code> is allowed as an alternative to <code>EXCEPT</code> in |
| the parser.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isPercentRemainderAllowed--">isPercentRemainderAllowed</a></span>()</code> |
| <div class="block">Whether the "%" operator is allowed by the parser as an alternative to the |
| <code>mod</code> function.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isSortByAlias--">isSortByAlias</a></span>()</code> |
| <div class="block">Whether '<code>ORDER BY x</code>' is interpreted to mean 'sort by the select |
| list item whose alias is x' even if there is a column called x.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isSortByAliasObscures--">isSortByAliasObscures</a></span>()</code> |
| <div class="block">Whether "empno" is invalid in "select empno as x from emp order by empno" |
| because the alias "x" obscures it.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isSortByOrdinal--">isSortByOrdinal</a></span>()</code> |
| <div class="block">Whether '<code>ORDER BY 2</code>' is interpreted to mean 'sort by the 2nd |
| column in the select list'.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#shouldConvertRaggedUnionTypesToVarying--">shouldConvertRaggedUnionTypesToVarying</a></span>()</code> |
| <div class="block">Whether the least restrictive type of a number of CHAR types of different |
| lengths should be a VARCHAR type.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#valueOf-java.lang.String-">valueOf</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> name)</code> |
| <div class="block">返回带有指定名称的该类型的枚举常量。</div> |
| </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#values--">values</a></span>()</code> |
| <div class="block">按照声明该枚举类型的常量的顺序, 返回 |
| 包含这些常量的数组。</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Enum"> |
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| </a> |
| <h3>从类继承的方法 java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true" title="java.lang中的类或接口">Enum</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true#clone--" title="java.lang中的类或接口">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true#compareTo-E-" title="java.lang中的类或接口">compareTo</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true#equals-java.lang.Object-" title="java.lang中的类或接口">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true#finalize--" title="java.lang中的类或接口">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true#getDeclaringClass--" title="java.lang中的类或接口">getDeclaringClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true#hashCode--" title="java.lang中的类或接口">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true#name--" title="java.lang中的类或接口">name</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true#ordinal--" title="java.lang中的类或接口">ordinal</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true#toString--" title="java.lang中的类或接口">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true#valueOf-java.lang.Class-java.lang.String-" title="java.lang中的类或接口">valueOf</a></code></li> |
| </ul> |
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| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
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| </a> |
| <h3>从类继承的方法 java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="java.lang中的类或接口">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="java.lang中的类或接口">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="java.lang中的类或接口">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="java.lang中的类或接口">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
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| </ul> |
| </div> |
| <div class="details"> |
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| <!-- ============ ENUM CONSTANT DETAIL =========== --> |
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| <h3>枚举常量详细资料</h3> |
| <a name="DEFAULT"> |
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| <h4>DEFAULT</h4> |
| <pre>public static final <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a> DEFAULT</pre> |
| <div class="block">Calcite's default SQL behavior.</div> |
| </li> |
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| <a name="LENIENT"> |
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| <h4>LENIENT</h4> |
| <pre>public static final <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a> LENIENT</pre> |
| <div class="block">Conformance value that allows just about everything supported by |
| Calcite.</div> |
| </li> |
| </ul> |
| <a name="BABEL"> |
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| <h4>BABEL</h4> |
| <pre>public static final <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a> BABEL</pre> |
| <div class="block">Conformance value that allows anything supported by any dialect. |
| Even more liberal than <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>.</div> |
| </li> |
| </ul> |
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| <h4>STRICT_92</h4> |
| <pre>public static final <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a> STRICT_92</pre> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics strictly |
| consistent with the SQL:92 standard.</div> |
| </li> |
| </ul> |
| <a name="STRICT_99"> |
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| <pre>public static final <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a> STRICT_99</pre> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics strictly |
| consistent with the SQL:99 standard.</div> |
| </li> |
| </ul> |
| <a name="PRAGMATIC_99"> |
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| <h4>PRAGMATIC_99</h4> |
| <pre>public static final <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a> PRAGMATIC_99</pre> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics |
| consistent with the SQL:99 standard, but ignoring its more |
| inconvenient or controversial dicta.</div> |
| </li> |
| </ul> |
| <a name="BIG_QUERY"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>BIG_QUERY</h4> |
| <pre>public static final <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a> BIG_QUERY</pre> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics |
| consistent with BigQuery.</div> |
| </li> |
| </ul> |
| <a name="MYSQL_5"> |
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| </a> |
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| <h4>MYSQL_5</h4> |
| <pre>public static final <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a> MYSQL_5</pre> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics |
| consistent with MySQL version 5.x.</div> |
| </li> |
| </ul> |
| <a name="ORACLE_10"> |
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| <h4>ORACLE_10</h4> |
| <pre>public static final <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a> ORACLE_10</pre> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics |
| consistent with Oracle version 10.</div> |
| </li> |
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| <h4>ORACLE_12</h4> |
| <pre>public static final <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a> ORACLE_12</pre> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics |
| consistent with Oracle version 12. |
| |
| <p>As <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_10"><code>ORACLE_10</code></a> except for <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#isApplyAllowed--"><code>isApplyAllowed()</code></a>.</div> |
| </li> |
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| <pre>public static final <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a> STRICT_2003</pre> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics strictly |
| consistent with the SQL:2003 standard.</div> |
| </li> |
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| <h4>PRAGMATIC_2003</h4> |
| <pre>public static final <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a> PRAGMATIC_2003</pre> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics |
| consistent with the SQL:2003 standard, but ignoring its more |
| inconvenient or controversial dicta.</div> |
| </li> |
| </ul> |
| <a name="SQL_SERVER_2008"> |
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| <li class="blockList"> |
| <h4>SQL_SERVER_2008</h4> |
| <pre>public static final <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a> SQL_SERVER_2008</pre> |
| <div class="block">Conformance value that instructs Calcite to use SQL semantics |
| consistent with Microsoft SQL Server version 2008.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
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| </a> |
| <h3>方法详细资料</h3> |
| <a name="values--"> |
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| <h4>values</h4> |
| <pre>public static <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a>[] values()</pre> |
| <div class="block">按照声明该枚举类型的常量的顺序, 返回 |
| 包含这些常量的数组。该方法可用于迭代 |
| 常量, 如下所示: |
| <pre> |
| for (SqlConformanceEnum c : SqlConformanceEnum.values()) |
| System.out.println(c); |
| </pre></div> |
| <dl> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>按照声明该枚举类型的常量的顺序返回的包含这些常量的数组</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="valueOf-java.lang.String-"> |
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| <h4>valueOf</h4> |
| <pre>public static <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html" title="org.apache.calcite.sql.validate中的枚举">SqlConformanceEnum</a> valueOf(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> name)</pre> |
| <div class="block">返回带有指定名称的该类型的枚举常量。 |
| 字符串必须与用于声明该类型的枚举常量的 |
| 标识符<i>完全</i>匹配。(不允许有多余 |
| 的空格字符。)</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>name</code> - 要返回的枚举常量的名称。</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>返回带有指定名称的枚举常量</dd> |
| <dt><span class="throwsLabel">抛出:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="java.lang中的类或接口">IllegalArgumentException</a></code> - 如果该枚举类型没有带有指定名称的常量</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="java.lang中的类或接口">NullPointerException</a></code> - 如果参数为空值</dd> |
| </dl> |
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| <h4>isLiberal</h4> |
| <pre>public boolean isLiberal()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isLiberal--">SqlConformance</a></code></span></div> |
| <div class="block">Whether this dialect supports features from a wide variety of |
| dialects. This is enabled for the Babel parser, disabled otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isLiberal--">isLiberal</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
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| <pre>public boolean isGroupByAlias()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isGroupByAlias--">SqlConformance</a></code></span></div> |
| <div class="block">Whether to allow aliases from the <code>SELECT</code> clause to be used as |
| column names in the <code>GROUP BY</code> clause. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BIG_QUERY"><code>BIG_QUERY</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#MYSQL_5"><code>MYSQL_5</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isGroupByAlias--">isGroupByAlias</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
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| <h4>isGroupByOrdinal</h4> |
| <pre>public boolean isGroupByOrdinal()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isGroupByOrdinal--">SqlConformance</a></code></span></div> |
| <div class="block">Whether <code>GROUP BY 2</code> is interpreted to mean 'group by the 2nd column |
| in the select list'. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#MYSQL_5"><code>MYSQL_5</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isGroupByOrdinal--">isGroupByOrdinal</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
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| <h4>isHavingAlias</h4> |
| <pre>public boolean isHavingAlias()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isHavingAlias--">SqlConformance</a></code></span></div> |
| <div class="block">Whether to allow aliases from the <code>SELECT</code> clause to be used as |
| column names in the <code>HAVING</code> clause. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BIG_QUERY"><code>BIG_QUERY</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#MYSQL_5"><code>MYSQL_5</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isHavingAlias--">isHavingAlias</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
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| <h4>isSortByOrdinal</h4> |
| <pre>public boolean isSortByOrdinal()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isSortByOrdinal--">SqlConformance</a></code></span></div> |
| <div class="block">Whether '<code>ORDER BY 2</code>' is interpreted to mean 'sort by the 2nd |
| column in the select list'. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#DEFAULT"><code>DEFAULT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#MYSQL_5"><code>MYSQL_5</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_10"><code>ORACLE_10</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_12"><code>ORACLE_12</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#STRICT_92"><code>STRICT_92</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#PRAGMATIC_99"><code>PRAGMATIC_99</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#PRAGMATIC_2003"><code>PRAGMATIC_2003</code></a>; |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#SQL_SERVER_2008"><code>SQL_SERVER_2008</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isSortByOrdinal--">isSortByOrdinal</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isSortByAlias--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isSortByAlias</h4> |
| <pre>public boolean isSortByAlias()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isSortByAlias--">SqlConformance</a></code></span></div> |
| <div class="block">Whether '<code>ORDER BY x</code>' is interpreted to mean 'sort by the select |
| list item whose alias is x' even if there is a column called x. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#DEFAULT"><code>DEFAULT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#MYSQL_5"><code>MYSQL_5</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_10"><code>ORACLE_10</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_12"><code>ORACLE_12</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#STRICT_92"><code>STRICT_92</code></a>; |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#SQL_SERVER_2008"><code>SQL_SERVER_2008</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isSortByAlias--">isSortByAlias</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isSortByAliasObscures--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isSortByAliasObscures</h4> |
| <pre>public boolean isSortByAliasObscures()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isSortByAliasObscures--">SqlConformance</a></code></span></div> |
| <div class="block">Whether "empno" is invalid in "select empno as x from emp order by empno" |
| because the alias "x" obscures it. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#STRICT_92"><code>STRICT_92</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isSortByAliasObscures--">isSortByAliasObscures</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isFromRequired--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isFromRequired</h4> |
| <pre>public boolean isFromRequired()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isFromRequired--">SqlConformance</a></code></span></div> |
| <div class="block">Whether <code>FROM</code> clause is required in a <code>SELECT</code> statement. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_10"><code>ORACLE_10</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_12"><code>ORACLE_12</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#STRICT_92"><code>STRICT_92</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#STRICT_99"><code>STRICT_99</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#STRICT_2003"><code>STRICT_2003</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isFromRequired--">isFromRequired</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isBangEqualAllowed--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isBangEqualAllowed</h4> |
| <pre>public boolean isBangEqualAllowed()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isBangEqualAllowed--">SqlConformance</a></code></span></div> |
| <div class="block">Whether the bang-equal token != is allowed as an alternative to <> in |
| the parser. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#MYSQL_5"><code>MYSQL_5</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_10"><code>ORACLE_10</code></a>; |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_12"><code>ORACLE_12</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isBangEqualAllowed--">isBangEqualAllowed</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isMinusAllowed--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isMinusAllowed</h4> |
| <pre>public boolean isMinusAllowed()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isMinusAllowed--">SqlConformance</a></code></span></div> |
| <div class="block">Whether <code>MINUS</code> is allowed as an alternative to <code>EXCEPT</code> in |
| the parser. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_10"><code>ORACLE_10</code></a>; |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_12"><code>ORACLE_12</code></a>; |
| false otherwise. |
| |
| <p>Note: MySQL does not support <code>MINUS</code> or <code>EXCEPT</code> (as of |
| version 5.5).</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isMinusAllowed--">isMinusAllowed</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isPercentRemainderAllowed--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isPercentRemainderAllowed</h4> |
| <pre>public boolean isPercentRemainderAllowed()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isPercentRemainderAllowed--">SqlConformance</a></code></span></div> |
| <div class="block">Whether the "%" operator is allowed by the parser as an alternative to the |
| <code>mod</code> function. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#MYSQL_5"><code>MYSQL_5</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isPercentRemainderAllowed--">isPercentRemainderAllowed</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isApplyAllowed--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isApplyAllowed</h4> |
| <pre>public boolean isApplyAllowed()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isApplyAllowed--">SqlConformance</a></code></span></div> |
| <div class="block">Whether <code>CROSS APPLY</code> and <code>OUTER APPLY</code> operators are allowed |
| in the parser. |
| |
| <p><code>APPLY</code> invokes a table-valued function for each row returned |
| by a table expression. It is syntactic sugar:<ul> |
| |
| <li><code>SELECT * FROM emp CROSS APPLY TABLE(promote(empno)</code><br> |
| is equivalent to<br> |
| <code>SELECT * FROM emp CROSS JOIN LATERAL TABLE(promote(empno)</code> |
| |
| <li><code>SELECT * FROM emp OUTER APPLY TABLE(promote(empno)</code><br> |
| is equivalent to<br> |
| <code>SELECT * FROM emp LEFT JOIN LATERAL TABLE(promote(empno)</code> ON true |
| </ul> |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#SQL_SERVER_2008"><code>SQL_SERVER_2008</code></a>; |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_12"><code>ORACLE_12</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isApplyAllowed--">isApplyAllowed</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isInsertSubsetColumnsAllowed--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isInsertSubsetColumnsAllowed</h4> |
| <pre>public boolean isInsertSubsetColumnsAllowed()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isInsertSubsetColumnsAllowed--">SqlConformance</a></code></span></div> |
| <div class="block">Whether to allow <code>INSERT</code> (or <code>UPSERT</code>) with no column list |
| but fewer values than the target table. |
| |
| <p>The N values provided are assumed to match the first N columns of the |
| table, and for each of the remaining columns, the default value of the |
| column is used. It is an error if any of these columns has no default |
| value. |
| |
| <p>The default value of a column is specified by the <code>DEFAULT</code> |
| clause in the <code>CREATE TABLE</code> statement, or is <code>NULL</code> if the |
| column is not declared <code>NOT NULL</code>. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#PRAGMATIC_99"><code>PRAGMATIC_99</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#PRAGMATIC_2003"><code>PRAGMATIC_2003</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isInsertSubsetColumnsAllowed--">isInsertSubsetColumnsAllowed</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="allowNiladicParentheses--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>allowNiladicParentheses</h4> |
| <pre>public boolean allowNiladicParentheses()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#allowNiladicParentheses--">SqlConformance</a></code></span></div> |
| <div class="block">Whether to allow parentheses to be specified in calls to niladic functions |
| and procedures (that is, functions and procedures with no parameters). |
| |
| <p>For example, <code>CURRENT_DATE</code> is a niladic system function. In |
| standard SQL it must be invoked without parentheses: |
| |
| <blockquote><code>VALUES CURRENT_DATE</code></blockquote> |
| |
| <p>If <code>allowNiladicParentheses</code>, the following syntax is also valid: |
| |
| <blockquote><code>VALUES CURRENT_DATE()</code></blockquote> |
| |
| <p>Of the popular databases, MySQL, Apache Phoenix and VoltDB allow this |
| behavior; |
| Apache Hive, HSQLDB, IBM DB2, Microsoft SQL Server, Oracle, PostgreSQL do |
| not. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#MYSQL_5"><code>MYSQL_5</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#allowNiladicParentheses--">allowNiladicParentheses</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="allowExplicitRowValueConstructor--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>allowExplicitRowValueConstructor</h4> |
| <pre>public boolean allowExplicitRowValueConstructor()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#allowExplicitRowValueConstructor--">SqlConformance</a></code></span></div> |
| <div class="block">Whether to allow SQL syntax "<code>ROW(expr1, expr2, expr3)</code>". |
| <p>The equivalent syntax in standard SQL is |
| "<code>(expr1, expr2, expr3)</code>". |
| |
| <p>Standard SQL does not allow this because the type is not |
| well-defined. However, PostgreSQL allows this behavior. |
| |
| <p>Standard SQL allows row expressions in other contexts, for instance |
| inside <code>VALUES</code> clause. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#DEFAULT"><code>DEFAULT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#allowExplicitRowValueConstructor--">allowExplicitRowValueConstructor</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="allowExtend--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>allowExtend</h4> |
| <pre>public boolean allowExtend()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#allowExtend--">SqlConformance</a></code></span></div> |
| <div class="block">Whether to allow mixing table columns with extended columns in |
| <code>INSERT</code> (or <code>UPSERT</code>). |
| |
| <p>For example, suppose that the declaration of table <code>T</code> has columns |
| <code>A</code> and <code>B</code>, and you want to insert data of column |
| <code>C INTEGER</code> not present in the table declaration as an extended |
| column. You can specify the columns in an <code>INSERT</code> statement as |
| follows: |
| |
| <blockquote> |
| <code>INSERT INTO T (A, B, C INTEGER) VALUES (1, 2, 3)</code> |
| </blockquote> |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#allowExtend--">allowExtend</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isLimitStartCountAllowed--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isLimitStartCountAllowed</h4> |
| <pre>public boolean isLimitStartCountAllowed()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isLimitStartCountAllowed--">SqlConformance</a></code></span></div> |
| <div class="block">Whether to allow the SQL syntax "<code>LIMIT start, count</code>". |
| |
| <p>The equivalent syntax in standard SQL is |
| "<code>OFFSET start ROW FETCH FIRST count ROWS ONLY</code>", |
| and in PostgreSQL "<code>LIMIT count OFFSET start</code>". |
| |
| <p>MySQL and CUBRID allow this behavior. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#MYSQL_5"><code>MYSQL_5</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#isLimitStartCountAllowed--">isLimitStartCountAllowed</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="allowGeometry--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>allowGeometry</h4> |
| <pre>public boolean allowGeometry()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#allowGeometry--">SqlConformance</a></code></span></div> |
| <div class="block">Whether to allow geo-spatial extensions, including the GEOMETRY type. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#MYSQL_5"><code>MYSQL_5</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#SQL_SERVER_2008"><code>SQL_SERVER_2008</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#allowGeometry--">allowGeometry</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="shouldConvertRaggedUnionTypesToVarying--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>shouldConvertRaggedUnionTypesToVarying</h4> |
| <pre>public boolean shouldConvertRaggedUnionTypesToVarying()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#shouldConvertRaggedUnionTypesToVarying--">SqlConformance</a></code></span></div> |
| <div class="block">Whether the least restrictive type of a number of CHAR types of different |
| lengths should be a VARCHAR type. And similarly BINARY to VARBINARY. |
| |
| <p>For example, consider the query |
| |
| <blockquote><pre>SELECT 'abcde' UNION SELECT 'xyz'</pre></blockquote> |
| |
| <p>The input columns have types <code>CHAR(5)</code> and <code>CHAR(3)</code>, and |
| we need a result type that is large enough for both: |
| <ul> |
| <li>Under strict SQL:2003 behavior, its column has type <code>CHAR(5)</code>, |
| and the value in the second row will have trailing spaces. |
| <li>With lenient behavior, its column has type <code>VARCHAR(5)</code>, and the |
| values have no trailing spaces. |
| </ul> |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#PRAGMATIC_99"><code>PRAGMATIC_99</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#PRAGMATIC_2003"><code>PRAGMATIC_2003</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#MYSQL_5"><code>MYSQL_5</code></a>; |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_10"><code>ORACLE_10</code></a>; |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_12"><code>ORACLE_12</code></a>; |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#SQL_SERVER_2008"><code>SQL_SERVER_2008</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#shouldConvertRaggedUnionTypesToVarying--">shouldConvertRaggedUnionTypesToVarying</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="allowExtendedTrim--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>allowExtendedTrim</h4> |
| <pre>public boolean allowExtendedTrim()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#allowExtendedTrim--">SqlConformance</a></code></span></div> |
| <div class="block">Whether TRIM should support more than one trim character. |
| |
| <p>For example, consider the query |
| |
| <blockquote><pre>SELECT TRIM('eh' FROM 'hehe__hehe')</pre></blockquote> |
| |
| <p>Under strict behavior, if the length of trim character is not 1, |
| TRIM throws an exception, and the query fails. |
| However many implementations (in databases such as MySQL and SQL Server) |
| trim all the characters, resulting in a return value of '__'. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#MYSQL_5"><code>MYSQL_5</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#SQL_SERVER_2008"><code>SQL_SERVER_2008</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#allowExtendedTrim--">allowExtendedTrim</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="allowPluralTimeUnits--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>allowPluralTimeUnits</h4> |
| <pre>public boolean allowPluralTimeUnits()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#allowPluralTimeUnits--">SqlConformance</a></code></span></div> |
| <div class="block">Whether interval literals should allow plural time units |
| such as "YEARS" and "DAYS" in interval literals. |
| |
| <p>Under strict behavior, <code>INTERVAL '2' DAY</code> is valid |
| and <code>INTERVAL '2' DAYS</code> is invalid; |
| PostgreSQL allows both; Oracle only allows singular time units. |
| |
| <p>Among the built-in conformance levels, true in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#BABEL"><code>BABEL</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#LENIENT"><code>LENIENT</code></a>; |
| false otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#allowPluralTimeUnits--">allowPluralTimeUnits</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="allowQualifyingCommonColumn--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>allowQualifyingCommonColumn</h4> |
| <pre>public boolean allowQualifyingCommonColumn()</pre> |
| <div class="block"><span class="descfrmTypeLabel">从接口复制的说明: <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#allowQualifyingCommonColumn--">SqlConformance</a></code></span></div> |
| <div class="block">Whether to allow a qualified common column in a query that has a |
| NATURAL join or a join with a USING clause. |
| |
| <p>For example, in the query |
| |
| <blockquote><pre>SELECT emp.deptno |
| FROM emp |
| JOIN dept USING (deptno)</pre></blockquote> |
| |
| <p><code>deptno</code> is the common column. A qualified common column |
| such as <code>emp.deptno</code> is not allowed in Oracle, but is allowed |
| in PostgreSQL. |
| |
| <p>Among the built-in conformance levels, false in |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#STRICT_92"><code>STRICT_92</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#STRICT_99"><code>STRICT_99</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#STRICT_2003"><code>STRICT_2003</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_10"><code>ORACLE_10</code></a>, |
| <a href="../../../../../org/apache/calcite/sql/validate/SqlConformanceEnum.html#ORACLE_12"><code>ORACLE_12</code></a>; |
| true otherwise.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html#allowQualifyingCommonColumn--">allowQualifyingCommonColumn</a></code> 在接口中 <code><a href="../../../../../org/apache/calcite/sql/validate/SqlConformance.html" title="org.apache.calcite.sql.validate中的接口">SqlConformance</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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