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<div class="subTitle">org.apache.calcite.sql</div>
<h2 title="类 SqlJdbcFunctionCall" class="title">类 SqlJdbcFunctionCall</h2>
</div>
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<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>
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<ul class="inheritance">
<li><a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">org.apache.calcite.sql.SqlOperator</a></li>
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<li><a href="../../../../org/apache/calcite/sql/SqlFunction.html" title="org.apache.calcite.sql中的类">org.apache.calcite.sql.SqlFunction</a></li>
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<li>org.apache.calcite.sql.SqlJdbcFunctionCall</li>
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<pre>public class <span class="typeNameLabel">SqlJdbcFunctionCall</span>
extends <a href="../../../../org/apache/calcite/sql/SqlFunction.html" title="org.apache.calcite.sql中的类">SqlFunction</a></pre>
<div class="block">A <code>SqlJdbcFunctionCall</code> is a node of a parse tree which represents
a JDBC function call. A JDBC call is of the form <code>{fn NAME(arg0, arg1,
...)}</code>.
<p>See <a href="http://java.sun.com/products/jdbc/driverdevs.html">Sun's
documentation for writers of JDBC drivers</a>.*
<table>
<caption>Supported JDBC functions</caption>
<tr>
<th>Function Name</th>
<th>Function Returns</th>
</tr>
<tr>
<td colspan="2"><br>
<h2>NUMERIC FUNCTIONS</h2>
</td>
</tr>
<tr>
<td>ABS(number)</td>
<td>Absolute value of number</td>
</tr>
<tr>
<td>ACOS(float)</td>
<td>Arccosine, in radians, of float</td>
</tr>
<tr>
<td>ASIN(float)</td>
<td>Arcsine, in radians, of float</td>
</tr>
<tr>
<td>ATAN(float)</td>
<td>Arctangent, in radians, of float</td>
</tr>
<tr>
<td>ATAN2(float1, float2)</td>
<td>Arctangent, in radians, of float2 / float1</td>
</tr>
<tr>
<td>CBRT(number)</td>
<td>The cube root of number</td>
</tr>
<tr>
<td>CEILING(number)</td>
<td>Smallest integer &gt;= number</td>
</tr>
<tr>
<td>COS(float)</td>
<td>Cosine of float radians</td>
</tr>
<tr>
<td>COT(float)</td>
<td>Cotangent of float radians</td>
</tr>
<tr>
<td>DEGREES(number)</td>
<td>Degrees in number radians</td>
</tr>
<tr>
<td>EXP(float)</td>
<td>Exponential function of float</td>
</tr>
<tr>
<td>FLOOR(number)</td>
<td>Largest integer &lt;= number</td>
</tr>
<tr>
<td>LOG(float)</td>
<td>Base e logarithm of float</td>
</tr>
<tr>
<td>LOG10(float)</td>
<td>Base 10 logarithm of float</td>
</tr>
<tr>
<td>MOD(integer1, integer2)</td>
<td>Remainder for integer1 / integer2</td>
</tr>
<tr>
<td>PI()</td>
<td>The constant pi</td>
</tr>
<tr>
<td>POWER(number, power)</td>
<td>number raised to (integer) power</td>
</tr>
<tr>
<td>RADIANS(number)</td>
<td>Radians in number degrees</td>
</tr>
<tr>
<td>RAND(integer)</td>
<td>Random floating point for seed integer</td>
</tr>
<tr>
<td>ROUND(number, places)</td>
<td>number rounded to places places</td>
</tr>
<tr>
<td>SIGN(number)</td>
<td>-1 to indicate number is &lt; 0; 0 to indicate number is = 0; 1 to
indicate number is &gt; 0</td>
</tr>
<tr>
<td>SIN(float)</td>
<td>Sine of float radians</td>
</tr>
<tr>
<td>SQRT(float)</td>
<td>Square root of float</td>
</tr>
<tr>
<td>TAN(float)</td>
<td>Tangent of float radians</td>
</tr>
<tr>
<td>TRUNCATE(number, places)</td>
<td>number truncated to places places</td>
</tr>
<tr>
<td colspan="2"><br>
<h2>STRING FUNCTIONS</h2>
</td>
</tr>
<tr>
<td>ASCII(string)</td>
<td>Integer representing the ASCII code value of the leftmost character in
string</td>
</tr>
<tr>
<td>CHAR(code)</td>
<td>Character with ASCII code value code, where code is between 0 and
255</td>
</tr>
<tr>
<td>CONCAT(string1, string2)</td>
<td>Character string formed by appending string2 to string1; if a string is
null, the result is DBMS-dependent</td>
</tr>
<tr>
<td>DIFFERENCE(string1, string2)</td>
<td>Integer indicating the difference between the values returned by the
function SOUNDEX for string1 and string2</td>
</tr>
<tr>
<td>INSERT(string1, start, length, string2)</td>
<td>A character string formed by deleting length characters from string1
beginning at start, and inserting string2 into string1 at start</td>
</tr>
<tr>
<td>LCASE(string)</td>
<td>Converts all uppercase characters in string to lowercase</td>
</tr>
<tr>
<td>LEFT(string, count)</td>
<td>The count leftmost characters from string</td>
</tr>
<tr>
<td>LENGTH(string)</td>
<td>Number of characters in string, excluding trailing blanks</td>
</tr>
<tr>
<td>LOCATE(string1, string2[, start])</td>
<td>Position in string2 of the first occurrence of string1, searching from
the beginning of string2; if start is specified, the search begins from
position start. 0 is returned if string2 does not contain string1. Position 1
is the first character in string2.</td>
</tr>
<tr>
<td>LTRIM(string)</td>
<td>Characters of string with leading blank spaces removed</td>
</tr>
<tr>
<td>REPEAT(string, count)</td>
<td>A character string formed by repeating string count times</td>
</tr>
<tr>
<td>REPLACE(string1, string2, string3)</td>
<td>Replaces all occurrences of string2 in string1 with string3</td>
</tr>
<tr>
<td>RIGHT(string, count)</td>
<td>The count rightmost characters in string</td>
</tr>
<tr>
<td>RTRIM(string)</td>
<td>The characters of string with no trailing blanks</td>
</tr>
<tr>
<td>REVERSE(string)</td>
<td>The string with the order of the characters reversed</td>
</tr>
<tr>
<td>SOUNDEX(string)</td>
<td>A character string, which is data source-dependent, representing the
sound of the words in string; this could be a four-digit SOUNDEX code, a
phonetic representation of each word, etc.</td>
</tr>
<tr>
<td>SPACE(count)</td>
<td>A character string consisting of count spaces</td>
</tr>
<tr>
<td>SUBSTRING(string, start, length)</td>
<td>A character string formed by extracting length characters from string
beginning at start</td>
</tr>
<tr>
<td>UCASE(string)</td>
<td>Converts all lowercase characters in string to uppercase</td>
</tr>
<tr>
<td colspan="2"><br>
<h2>TIME and DATE FUNCTIONS</h2>
</td>
</tr>
<tr>
<td>CURDATE()</td>
<td>The current date as a date value</td>
</tr>
<tr>
<td>CURTIME()</td>
<td>The current local time as a time value</td>
</tr>
<tr>
<td>DAYNAME(date)</td>
<td>A character string representing the day component of date; the name for
the day is specific to the data source</td>
</tr>
<tr>
<td>DAYOFMONTH(date)</td>
<td>An integer from 1 to 31 representing the day of the month in date</td>
</tr>
<tr>
<td>DAYOFWEEK(date)</td>
<td>An integer from 1 to 7 representing the day of the week in date; 1
represents Sunday</td>
</tr>
<tr>
<td>DAYOFYEAR(date)</td>
<td>An integer from 1 to 366 representing the day of the year in date</td>
</tr>
<tr>
<td>HOUR(time)</td>
<td>An integer from 0 to 23 representing the hour component of time</td>
</tr>
<tr>
<td>MINUTE(time)</td>
<td>An integer from 0 to 59 representing the minute component of time</td>
</tr>
<tr>
<td>MONTH(date)</td>
<td>An integer from 1 to 12 representing the month component of date</td>
</tr>
<tr>
<td>MONTHNAME(date)</td>
<td>A character string representing the month component of date; the name for
the month is specific to the data source</td>
</tr>
<tr>
<td>NOW()</td>
<td>A timestamp value representing the current date and time</td>
</tr>
<tr>
<td>QUARTER(date)</td>
<td>An integer from 1 to 4 representing the quarter in date; 1 represents
January 1 through March 31</td>
</tr>
<tr>
<td>SECOND(time)</td>
<td>An integer from 0 to 59 representing the second component of time</td>
</tr>
<tr>
<td>TIMESTAMPADD(interval,count, timestamp)</td>
<td>A timestamp calculated by adding count number of interval(s) to
timestamp; interval may be one of the following: SQL_TSI_FRAC_SECOND,
SQL_TSI_SECOND, SQL_TSI_MINUTE, SQL_TSI_HOUR, SQL_TSI_DAY, SQL_TSI_WEEK,
SQL_TSI_MONTH, SQL_TSI_QUARTER, or SQL_TSI_YEAR</td>
</tr>
<tr>
<td>TIMESTAMPDIFF(interval,timestamp1, timestamp2)</td>
<td>An integer representing the number of interval(s) by which timestamp2 is
greater than timestamp1; interval may be one of the following:
SQL_TSI_FRAC_SECOND, SQL_TSI_SECOND, SQL_TSI_MINUTE, SQL_TSI_HOUR,
SQL_TSI_DAY, SQL_TSI_WEEK, SQL_TSI_MONTH, SQL_TSI_QUARTER, or
SQL_TSI_YEAR</td>
</tr>
<tr>
<td>WEEK(date)</td>
<td>An integer from 1 to 53 representing the week of the year in date</td>
</tr>
<tr>
<td>YEAR(date)</td>
<td>An integer representing the year component of date</td>
</tr>
<tr>
<td colspan="2"><br>
<h2>SYSTEM FUNCTIONS</h2>
</td>
</tr>
<tr>
<td>DATABASE()</td>
<td>Name of the database</td>
</tr>
<tr>
<td>IFNULL(expression, value)</td>
<td>value if expression is null; expression if expression is not null</td>
</tr>
<tr>
<td>USER()</td>
<td>User name in the DBMS
<tr>
<td colspan="2"><br>
<h2>CONVERSION FUNCTIONS</h2>
</td>
</tr>
<tr>
<td>CONVERT(value, SQLtype)</td>
<td>value converted to SQLtype where SQLtype may be one of the following SQL
types: BIGINT, BINARY, BIT, CHAR, DATE, DECIMAL, DOUBLE, FLOAT, INTEGER,
LONGVARBINARY, LONGVARCHAR, REAL, SMALLINT, TIME, TIMESTAMP, TINYINT,
VARBINARY, or VARCHAR</td>
</tr>
</table></div>
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<h3>嵌套类概要</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="嵌套类概要表, 列表嵌套类和解释">
<caption><span>嵌套类</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">限定符和类型</th>
<th class="colLast" scope="col">类和说明</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlJdbcFunctionCall.SimpleMakeCall.html" title="org.apache.calcite.sql中的类">SqlJdbcFunctionCall.SimpleMakeCall</a></span></code>
<div class="block">Converter that calls a built-in function with the same arguments.</div>
</td>
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<h3>字段概要</h3>
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<h3>从类继承的字段&nbsp;org.apache.calcite.sql.<a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a></h3>
<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#kind">kind</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#MDX_PRECEDENCE">MDX_PRECEDENCE</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#NL">NL</a></code></li>
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<h3>构造器概要</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="构造器概要表, 列表构造器和解释">
<caption><span>构造器</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">构造器和说明</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlJdbcFunctionCall.html#SqlJdbcFunctionCall-java.lang.String-">SqlJdbcFunctionCall</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>&nbsp;name)</code>&nbsp;</td>
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<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">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">静态方法</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">实例方法</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">具体方法</a></span><span class="tabEnd">&nbsp;</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><a href="../../../../org/apache/calcite/sql/SqlCall.html" title="org.apache.calcite.sql中的类">SqlCall</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlJdbcFunctionCall.html#createCall-org.apache.calcite.sql.SqlLiteral-org.apache.calcite.sql.parser.SqlParserPos-org.apache.calcite.sql.SqlNode...-">createCall</a></span>(<a href="../../../../org/apache/calcite/sql/SqlLiteral.html" title="org.apache.calcite.sql中的类">SqlLiteral</a>&nbsp;functionQualifier,
<a href="../../../../org/apache/calcite/sql/parser/SqlParserPos.html" title="org.apache.calcite.sql.parser中的类">SqlParserPos</a>&nbsp;pos,
<a href="../../../../org/apache/calcite/sql/SqlNode.html" title="org.apache.calcite.sql中的类">SqlNode</a>...&nbsp;operands)</code>
<div class="block">Creates a call to this operand with an array of operands.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlJdbcFunctionCall.html#deriveType-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.validate.SqlValidatorScope-org.apache.calcite.sql.SqlCall-">deriveType</a></span>(<a href="../../../../org/apache/calcite/sql/validate/SqlValidator.html" title="org.apache.calcite.sql.validate中的接口">SqlValidator</a>&nbsp;validator,
<a href="../../../../org/apache/calcite/sql/validate/SqlValidatorScope.html" title="org.apache.calcite.sql.validate中的接口">SqlValidatorScope</a>&nbsp;scope,
<a href="../../../../org/apache/calcite/sql/SqlCall.html" title="org.apache.calcite.sql中的类">SqlCall</a>&nbsp;call)</code>
<div class="block">Derives the type of a call to this operator.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlJdbcFunctionCall.html#getAllowedSignatures-java.lang.String-">getAllowedSignatures</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>&nbsp;name)</code>
<div class="block">Returns a string describing the expected operand types of a call, e.g.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/sql/SqlCall.html" title="org.apache.calcite.sql中的类">SqlCall</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlJdbcFunctionCall.html#getLookupCall--">getLookupCall</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlJdbcFunctionCall.html#getNumericFunctions--">getNumericFunctions</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlJdbcFunctionCall.html#getStringFunctions--">getStringFunctions</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlJdbcFunctionCall.html#getSystemFunctions--">getSystemFunctions</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlJdbcFunctionCall.html#getTimeDateFunctions--">getTimeDateFunctions</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlJdbcFunctionCall.html#inferReturnType-org.apache.calcite.sql.SqlOperatorBinding-">inferReturnType</a></span>(<a href="../../../../org/apache/calcite/sql/SqlOperatorBinding.html" title="org.apache.calcite.sql中的类">SqlOperatorBinding</a>&nbsp;opBinding)</code>
<div class="block">Infers the return type of an invocation of this operator; only called
after the number and types of operands have already been validated.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/sql/SqlNode.html" title="org.apache.calcite.sql中的类">SqlNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlJdbcFunctionCall.html#rewriteCall-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.SqlCall-">rewriteCall</a></span>(<a href="../../../../org/apache/calcite/sql/validate/SqlValidator.html" title="org.apache.calcite.sql.validate中的接口">SqlValidator</a>&nbsp;validator,
<a href="../../../../org/apache/calcite/sql/SqlCall.html" title="org.apache.calcite.sql中的类">SqlCall</a>&nbsp;call)</code>
<div class="block">Rewrites a call to this operator.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlJdbcFunctionCall.html#unparse-org.apache.calcite.sql.SqlWriter-org.apache.calcite.sql.SqlCall-int-int-">unparse</a></span>(<a href="../../../../org/apache/calcite/sql/SqlWriter.html" title="org.apache.calcite.sql中的接口">SqlWriter</a>&nbsp;writer,
<a href="../../../../org/apache/calcite/sql/SqlCall.html" title="org.apache.calcite.sql中的类">SqlCall</a>&nbsp;call,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</code>
<div class="block">Writes a SQL representation of a call to this operator to a writer,
including parentheses if the operators on either side are of greater
precedence.</div>
</td>
</tr>
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<h3>从类继承的方法&nbsp;org.apache.calcite.sql.<a href="../../../../org/apache/calcite/sql/SqlFunction.html" title="org.apache.calcite.sql中的类">SqlFunction</a></h3>
<code><a href="../../../../org/apache/calcite/sql/SqlFunction.html#getFunctionType--">getFunctionType</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#getNameAsId--">getNameAsId</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#getParamNames--">getParamNames</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#getParamTypes--">getParamTypes</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#getSqlIdentifier--">getSqlIdentifier</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#getSyntax--">getSyntax</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#isQuantifierAllowed--">isQuantifierAllowed</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#validateCall-org.apache.calcite.sql.SqlCall-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.validate.SqlValidatorScope-org.apache.calcite.sql.validate.SqlValidatorScope-">validateCall</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#validateQuantifier-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.SqlCall-">validateQuantifier</a></code></li>
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<h3>从类继承的方法&nbsp;org.apache.calcite.sql.<a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a></h3>
<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#acceptCall-org.apache.calcite.sql.util.SqlVisitor-org.apache.calcite.sql.SqlCall-">acceptCall</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#acceptCall-org.apache.calcite.sql.util.SqlVisitor-org.apache.calcite.sql.SqlCall-boolean-org.apache.calcite.sql.util.SqlBasicVisitor.ArgHandler-">acceptCall</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#adjustType-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.SqlCall-org.apache.calcite.rel.type.RelDataType-">adjustType</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#allowsFraming--">allowsFraming</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#argumentMustBeScalar-int-">argumentMustBeScalar</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#checkOperandCount-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.type.SqlOperandTypeChecker-org.apache.calcite.sql.SqlCall-">checkOperandCount</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#checkOperandTypes-org.apache.calcite.sql.SqlCallBinding-boolean-">checkOperandTypes</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#constructArgNameList-org.apache.calcite.sql.SqlCall-">constructArgNameList</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#constructArgTypeList-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.validate.SqlValidatorScope-org.apache.calcite.sql.SqlCall-java.util.List-boolean-">constructArgTypeList</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#constructOperandList-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.SqlCall-java.util.List-">constructOperandList</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#createCall-org.apache.calcite.sql.SqlNodeList-">createCall</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#createCall-org.apache.calcite.sql.parser.SqlParserPos-java.util.List-">createCall</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#createCall-org.apache.calcite.sql.parser.SqlParserPos-org.apache.calcite.sql.SqlNode...-">createCall</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#equals-java.lang.Object-">equals</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#getAllowedSignatures--">getAllowedSignatures</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#getKind--">getKind</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#getLeftPrec--">getLeftPrec</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#getMonotonicity-org.apache.calcite.sql.SqlCall-org.apache.calcite.sql.validate.SqlValidatorScope-">getMonotonicity</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#getMonotonicity-org.apache.calcite.sql.SqlOperatorBinding-">getMonotonicity</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#getName--">getName</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#getOperandCountRange--">getOperandCountRange</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#getOperandTypeChecker--">getOperandTypeChecker</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#getOperandTypeInference--">getOperandTypeInference</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#getReturnTypeInference--">getReturnTypeInference</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#getRightPrec--">getRightPrec</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#getSignatureTemplate-int-">getSignatureTemplate</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#hashCode--">hashCode</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#inferReturnType-org.apache.calcite.rel.type.RelDataTypeFactory-java.util.List-">inferReturnType</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#isAggregator--">isAggregator</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#isDeterministic--">isDeterministic</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#isDynamicFunction--">isDynamicFunction</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#isGroup--">isGroup</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#isGroupAuxiliary--">isGroupAuxiliary</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#isName-java.lang.String-boolean-">isName</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#leftPrec-int-boolean-">leftPrec</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#preValidateCall-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.validate.SqlValidatorScope-org.apache.calcite.sql.SqlCall-">preValidateCall</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#requiresDecimalExpansion--">requiresDecimalExpansion</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#requiresOrder--">requiresOrder</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#requiresOver--">requiresOver</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#rightPrec-int-boolean-">rightPrec</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#toString--">toString</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#unparseListClause-org.apache.calcite.sql.SqlWriter-org.apache.calcite.sql.SqlNode-">unparseListClause</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#unparseListClause-org.apache.calcite.sql.SqlWriter-org.apache.calcite.sql.SqlNode-org.apache.calcite.sql.SqlKind-">unparseListClause</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#validateOperands-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.validate.SqlValidatorScope-org.apache.calcite.sql.SqlCall-">validateOperands</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#validRexOperands-int-org.apache.calcite.util.Litmus-">validRexOperands</a></code></li>
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<h3>从类继承的方法&nbsp;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#clone--" title="java.lang中的类或接口">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.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/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>
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<h3>构造器详细资料</h3>
<a name="SqlJdbcFunctionCall-java.lang.String-">
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<h4>SqlJdbcFunctionCall</h4>
<pre>public&nbsp;SqlJdbcFunctionCall(<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>&nbsp;name)</pre>
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<h3>方法详细资料</h3>
<a name="createCall-org.apache.calcite.sql.SqlLiteral-org.apache.calcite.sql.parser.SqlParserPos-org.apache.calcite.sql.SqlNode...-">
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<h4>createCall</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/sql/SqlCall.html" title="org.apache.calcite.sql中的类">SqlCall</a>&nbsp;createCall(<a href="../../../../org/apache/calcite/sql/SqlLiteral.html" title="org.apache.calcite.sql中的类">SqlLiteral</a>&nbsp;functionQualifier,
<a href="../../../../org/apache/calcite/sql/parser/SqlParserPos.html" title="org.apache.calcite.sql.parser中的类">SqlParserPos</a>&nbsp;pos,
<a href="../../../../org/apache/calcite/sql/SqlNode.html" title="org.apache.calcite.sql中的类">SqlNode</a>...&nbsp;operands)</pre>
<div class="block"><span class="descfrmTypeLabel">从类复制的说明:&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#createCall-org.apache.calcite.sql.SqlLiteral-org.apache.calcite.sql.parser.SqlParserPos-org.apache.calcite.sql.SqlNode...-">SqlOperator</a></code></span></div>
<div class="block">Creates a call to this operand with an array of operands.
<p>The position of the resulting call is the union of the <code>
pos</code> and the positions of all of the operands.</div>
<dl>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#createCall-org.apache.calcite.sql.SqlLiteral-org.apache.calcite.sql.parser.SqlParserPos-org.apache.calcite.sql.SqlNode...-">createCall</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a></code></dd>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>functionQualifier</code> - function qualifier (e.g. "DISTINCT"), may be</dd>
<dd><code>pos</code> - parser position of the identifier of the call</dd>
<dd><code>operands</code> - array of operands</dd>
</dl>
</li>
</ul>
<a name="rewriteCall-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.SqlCall-">
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<h4>rewriteCall</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/sql/SqlNode.html" title="org.apache.calcite.sql中的类">SqlNode</a>&nbsp;rewriteCall(<a href="../../../../org/apache/calcite/sql/validate/SqlValidator.html" title="org.apache.calcite.sql.validate中的接口">SqlValidator</a>&nbsp;validator,
<a href="../../../../org/apache/calcite/sql/SqlCall.html" title="org.apache.calcite.sql中的类">SqlCall</a>&nbsp;call)</pre>
<div class="block"><span class="descfrmTypeLabel">从类复制的说明:&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#rewriteCall-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.SqlCall-">SqlOperator</a></code></span></div>
<div class="block">Rewrites a call to this operator. Some operators are implemented as
trivial rewrites (e.g. NULLIF becomes CASE). However, we don't do this at
createCall time because we want to preserve the original SQL syntax as
much as possible; instead, we do this before the call is validated (so
the trivial operator doesn't need its own implementation of type
derivation methods). The default implementation is to just return the
original call without any rewrite.</div>
<dl>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#rewriteCall-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.SqlCall-">rewriteCall</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a></code></dd>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>validator</code> - Validator</dd>
<dd><code>call</code> - Call to be rewritten</dd>
<dt><span class="returnLabel">返回:</span></dt>
<dd>rewritten call</dd>
</dl>
</li>
</ul>
<a name="getLookupCall--">
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<h4>getLookupCall</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/sql/SqlCall.html" title="org.apache.calcite.sql中的类">SqlCall</a>&nbsp;getLookupCall()</pre>
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<a name="getAllowedSignatures-java.lang.String-">
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<h4>getAllowedSignatures</h4>
<pre>public&nbsp;<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>&nbsp;getAllowedSignatures(<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>&nbsp;name)</pre>
<div class="block"><span class="descfrmTypeLabel">从类复制的说明:&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#getAllowedSignatures-java.lang.String-">SqlOperator</a></code></span></div>
<div class="block">Returns a string describing the expected operand types of a call, e.g.
"SUBSTRING(VARCHAR, INTEGER, INTEGER)" where the name (SUBSTRING in this
example) can be replaced by a specified name.</div>
<dl>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#getAllowedSignatures-java.lang.String-">getAllowedSignatures</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a></code></dd>
</dl>
</li>
</ul>
<a name="deriveType-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.validate.SqlValidatorScope-org.apache.calcite.sql.SqlCall-">
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<h4>deriveType</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>&nbsp;deriveType(<a href="../../../../org/apache/calcite/sql/validate/SqlValidator.html" title="org.apache.calcite.sql.validate中的接口">SqlValidator</a>&nbsp;validator,
<a href="../../../../org/apache/calcite/sql/validate/SqlValidatorScope.html" title="org.apache.calcite.sql.validate中的接口">SqlValidatorScope</a>&nbsp;scope,
<a href="../../../../org/apache/calcite/sql/SqlCall.html" title="org.apache.calcite.sql中的类">SqlCall</a>&nbsp;call)</pre>
<div class="block"><span class="descfrmTypeLabel">从类复制的说明:&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#deriveType-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.validate.SqlValidatorScope-org.apache.calcite.sql.SqlCall-">SqlOperator</a></code></span></div>
<div class="block">Derives the type of a call to this operator.
<p>This method is an intrinsic part of the validation process so, unlike
<a href="../../../../org/apache/calcite/sql/SqlOperator.html#inferReturnType-org.apache.calcite.sql.SqlOperatorBinding-"><code>SqlOperator.inferReturnType(org.apache.calcite.sql.SqlOperatorBinding)</code></a>, specific operators would not typically override
this method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/sql/SqlFunction.html#deriveType-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.validate.SqlValidatorScope-org.apache.calcite.sql.SqlCall-">deriveType</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlFunction.html" title="org.apache.calcite.sql中的类">SqlFunction</a></code></dd>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>validator</code> - Validator</dd>
<dd><code>scope</code> - Scope of validation</dd>
<dd><code>call</code> - Call to this operator</dd>
<dt><span class="returnLabel">返回:</span></dt>
<dd>Type of call</dd>
</dl>
</li>
</ul>
<a name="inferReturnType-org.apache.calcite.sql.SqlOperatorBinding-">
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<h4>inferReturnType</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>&nbsp;inferReturnType(<a href="../../../../org/apache/calcite/sql/SqlOperatorBinding.html" title="org.apache.calcite.sql中的类">SqlOperatorBinding</a>&nbsp;opBinding)</pre>
<div class="block"><span class="descfrmTypeLabel">从类复制的说明:&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#inferReturnType-org.apache.calcite.sql.SqlOperatorBinding-">SqlOperator</a></code></span></div>
<div class="block">Infers the return type of an invocation of this operator; only called
after the number and types of operands have already been validated.
Subclasses must either override this method or supply an instance of
<a href="../../../../org/apache/calcite/sql/type/SqlReturnTypeInference.html" title="org.apache.calcite.sql.type中的接口"><code>SqlReturnTypeInference</code></a> to the constructor.</div>
<dl>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#inferReturnType-org.apache.calcite.sql.SqlOperatorBinding-">inferReturnType</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a></code></dd>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>opBinding</code> - description of invocation (not necessarily a
<a href="../../../../org/apache/calcite/sql/SqlCall.html" title="org.apache.calcite.sql中的类"><code>SqlCall</code></a>)</dd>
<dt><span class="returnLabel">返回:</span></dt>
<dd>inferred return type</dd>
</dl>
</li>
</ul>
<a name="unparse-org.apache.calcite.sql.SqlWriter-org.apache.calcite.sql.SqlCall-int-int-">
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<h4>unparse</h4>
<pre>public&nbsp;void&nbsp;unparse(<a href="../../../../org/apache/calcite/sql/SqlWriter.html" title="org.apache.calcite.sql中的接口">SqlWriter</a>&nbsp;writer,
<a href="../../../../org/apache/calcite/sql/SqlCall.html" title="org.apache.calcite.sql中的类">SqlCall</a>&nbsp;call,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</pre>
<div class="block"><span class="descfrmTypeLabel">从类复制的说明:&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#unparse-org.apache.calcite.sql.SqlWriter-org.apache.calcite.sql.SqlCall-int-int-">SqlOperator</a></code></span></div>
<div class="block">Writes a SQL representation of a call to this operator to a writer,
including parentheses if the operators on either side are of greater
precedence.
<p>The default implementation of this method delegates to
<a href="../../../../org/apache/calcite/sql/SqlSyntax.html#unparse-org.apache.calcite.sql.SqlWriter-org.apache.calcite.sql.SqlOperator-org.apache.calcite.sql.SqlCall-int-int-"><code>SqlSyntax.unparse(org.apache.calcite.sql.SqlWriter, org.apache.calcite.sql.SqlOperator, org.apache.calcite.sql.SqlCall, int, int)</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
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<pre>public static&nbsp;<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>&nbsp;getNumericFunctions()</pre>
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<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/DatabaseMetaData.html?is-external=true#getNumericFunctions--" title="java.sql中的类或接口"><code>DatabaseMetaData.getNumericFunctions()</code></a></dd>
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<pre>public static&nbsp;<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>&nbsp;getStringFunctions()</pre>
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<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/DatabaseMetaData.html?is-external=true#getStringFunctions--" title="java.sql中的类或接口"><code>DatabaseMetaData.getStringFunctions()</code></a></dd>
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<pre>public static&nbsp;<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>&nbsp;getTimeDateFunctions()</pre>
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<dt><span class="seeLabel">另请参阅:</span></dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/DatabaseMetaData.html?is-external=true#getTimeDateFunctions--" title="java.sql中的类或接口"><code>DatabaseMetaData.getTimeDateFunctions()</code></a></dd>
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<pre>public static&nbsp;<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>&nbsp;getSystemFunctions()</pre>
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<dt><span class="seeLabel">另请参阅:</span></dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/DatabaseMetaData.html?is-external=true#getSystemFunctions--" title="java.sql中的类或接口"><code>DatabaseMetaData.getSystemFunctions()</code></a></dd>
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