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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.adapter.jdbc</a></div>
<h1 title="Class JdbcSchema" class="title">Class JdbcSchema</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance">org.apache.calcite.adapter.jdbc.JdbcSchema</div>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">JdbcSchema</span>
<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>
implements <a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></span></div>
<div class="block">Implementation of <a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema"><code>Schema</code></a> that is backed by a JDBC data source.
<p>The tables in the JDBC data source appear to be tables in this schema;
queries against this schema are executed against those tables, pushing down
as much as possible of the query logic to SQL.</p></div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== NESTED CLASS SUMMARY ======== -->
<li>
<section class="nested-class-summary" id="nested-class-summary">
<h2>Nested Class Summary</h2>
<div class="caption"><span>Nested Classes</span></div>
<div class="summary-table three-column-summary">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Class</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>static class&nbsp;</code></div>
<div class="col-second even-row-color"><code><a href="JdbcSchema.Factory.html" class="type-name-link" title="class in org.apache.calcite.adapter.jdbc">JdbcSchema.Factory</a></code></div>
<div class="col-last even-row-color">
<div class="block">Schema factory that creates a
<a href="JdbcSchema.html" title="class in org.apache.calcite.adapter.jdbc"><code>JdbcSchema</code></a>.</div>
</div>
<div class="col-first odd-row-color"><code>static interface&nbsp;</code></div>
<div class="col-second odd-row-color"><code><a href="JdbcSchema.Foo.html" class="type-name-link" title="interface in org.apache.calcite.adapter.jdbc">JdbcSchema.Foo</a></code></div>
<div class="col-last odd-row-color">
<div class="block">Do not use.</div>
</div>
</div>
<div class="inherited-list">
<h2 id="nested-classes-inherited-from-class-org.apache.calcite.schema.Schema">Nested classes/interfaces inherited from interface&nbsp;org.apache.calcite.schema.<a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></h2>
<code><a href="../../schema/Schema.TableType.html" title="enum in org.apache.calcite.schema">Schema.TableType</a></code></div>
</section>
</li>
<!-- =========== FIELD SUMMARY =========== -->
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<section class="field-summary" id="field-summary">
<h2>Field Summary</h2>
<div class="caption"><span>Fields</span></div>
<div class="summary-table three-column-summary">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Field</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>final <a href="../../sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></div>
<div class="col-second even-row-color"><code><a href="#dialect" class="member-name-link">dialect</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/ThreadLocal.html" title="class or interface in java.lang" class="external-link">ThreadLocal</a>&lt;@Nullable <a href="JdbcSchema.Foo.html" title="interface in org.apache.calcite.adapter.jdbc">JdbcSchema.Foo</a>&gt;</code></div>
<div class="col-second odd-row-color"><code><a href="#THREAD_METADATA" class="member-name-link">THREAD_METADATA</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
</div>
</section>
</li>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<section class="constructor-summary" id="constructor-summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table two-column-summary">
<div class="table-header col-first">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(javax.sql.DataSource,org.apache.calcite.sql.SqlDialect,org.apache.calcite.adapter.jdbc.JdbcConvention,java.lang.String,java.lang.String)" class="member-name-link">JdbcSchema</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/DataSource.html" title="class or interface in javax.sql" class="external-link">DataSource</a>&nbsp;dataSource,
<a href="../../sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a>&nbsp;dialect,
<a href="JdbcConvention.html" title="class in org.apache.calcite.adapter.jdbc">JdbcConvention</a>&nbsp;convention,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;catalog,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;schema)</code></div>
<div class="col-last even-row-color">
<div class="block">Creates a JDBC schema.</div>
</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
<div id="method-summary-table">
<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button><button id="method-summary-table-tab6" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab6', 3)" class="table-tab">Deprecated Methods</button></div>
<div id="method-summary-table.tabpanel" role="tabpanel">
<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="JdbcSchema.html" title="class in org.apache.calcite.adapter.jdbc">JdbcSchema</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#create(org.apache.calcite.schema.SchemaPlus,java.lang.String,java.util.Map)" class="member-name-link">create</a><wbr>(<a href="../../schema/SchemaPlus.html" title="interface in org.apache.calcite.schema">SchemaPlus</a>&nbsp;parentSchema,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&gt;&nbsp;operand)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Creates a JdbcSchema, taking credentials from a map.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="JdbcSchema.html" title="class in org.apache.calcite.adapter.jdbc">JdbcSchema</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#create(org.apache.calcite.schema.SchemaPlus,java.lang.String,javax.sql.DataSource,java.lang.String,java.lang.String)" class="member-name-link">create</a><wbr>(<a href="../../schema/SchemaPlus.html" title="interface in org.apache.calcite.schema">SchemaPlus</a>&nbsp;parentSchema,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/DataSource.html" title="class or interface in javax.sql" class="external-link">DataSource</a>&nbsp;dataSource,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;catalog,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;schema)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="JdbcSchema.html" title="class in org.apache.calcite.adapter.jdbc">JdbcSchema</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#create(org.apache.calcite.schema.SchemaPlus,java.lang.String,javax.sql.DataSource,org.apache.calcite.sql.SqlDialectFactory,java.lang.String,java.lang.String)" class="member-name-link">create</a><wbr>(<a href="../../schema/SchemaPlus.html" title="interface in org.apache.calcite.schema">SchemaPlus</a>&nbsp;parentSchema,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/DataSource.html" title="class or interface in javax.sql" class="external-link">DataSource</a>&nbsp;dataSource,
<a href="../../sql/SqlDialectFactory.html" title="interface in org.apache.calcite.sql">SqlDialectFactory</a>&nbsp;dialectFactory,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;catalog,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;schema)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"><code>static <a href="../../sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"><code><a href="#createDialect(javax.sql.DataSource)" class="member-name-link">createDialect</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/DataSource.html" title="class or interface in javax.sql" class="external-link">DataSource</a>&nbsp;dataSource)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6">
<div class="block"><span class="deprecated-label">Deprecated.</span>
<div class="deprecation-comment">Use <a href="#createDialect(org.apache.calcite.sql.SqlDialectFactory,javax.sql.DataSource)"><code>createDialect(SqlDialectFactory, DataSource)</code></a> instead</div>
</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="../../sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createDialect(org.apache.calcite.sql.SqlDialectFactory,javax.sql.DataSource)" class="member-name-link">createDialect</a><wbr>(<a href="../../sql/SqlDialectFactory.html" title="interface in org.apache.calcite.sql">SqlDialectFactory</a>&nbsp;dialectFactory,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/DataSource.html" title="class or interface in javax.sql" class="external-link">DataSource</a>&nbsp;dataSource)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Returns a suitable SQL dialect for the given data source.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/DataSource.html" title="class or interface in javax.sql" class="external-link">DataSource</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#dataSource(java.lang.String,java.lang.String,java.lang.String,java.lang.String)" class="member-name-link">dataSource</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;url,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;driverClassName,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;username,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;password)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Creates a JDBC data source with the given specification.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/DataSource.html" title="class or interface in javax.sql" class="external-link">DataSource</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getDataSource()" class="member-name-link">getDataSource</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getExpression(org.apache.calcite.schema.SchemaPlus,java.lang.String)" class="member-name-link">getExpression</a><wbr>(@Nullable <a href="../../schema/SchemaPlus.html" title="interface in org.apache.calcite.schema">SchemaPlus</a>&nbsp;parentSchema,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns the expression by which this schema can be referenced in generated
code.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getFunctionNames()" class="member-name-link">getFunctionNames</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns the names of the functions in this schema.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected com.google.common.collect.Multimap&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="../../schema/Function.html" title="interface in org.apache.calcite.schema">Function</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getFunctions()" class="member-name-link">getFunctions</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a>&lt;<a href="../../schema/Function.html" title="interface in org.apache.calcite.schema">Function</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getFunctions(java.lang.String)" class="member-name-link">getFunctions</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns a list of functions in this schema with the given name, or
an empty list if there is no such function.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>@Nullable <a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getSubSchema(java.lang.String)" class="member-name-link">getSubSchema</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns a sub-schema with a given name, or null.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getSubSchemaNames()" class="member-name-link">getSubSchemaNames</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns the names of this schema's child schemas.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>@Nullable <a href="../../schema/Table.html" title="interface in org.apache.calcite.schema">Table</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getTable(java.lang.String)" class="member-name-link">getTable</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns a table with a given name, or null if not found.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getTableNames()" class="member-name-link">getTableNames</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns the names of the tables in this schema.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>@Nullable <a href="../../rel/type/RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getType(java.lang.String)" class="member-name-link">getType</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns a type with a given name, or null if not found.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getTypeNames()" class="member-name-link">getTypeNames</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns the names of the types in this schema.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="../../rel/type/RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getTypes()" class="member-name-link">getTypes</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isMutable()" class="member-name-link">isMutable</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns whether the user is allowed to create new tables, functions
and sub-schemas in this schema, in addition to those returned automatically
by methods such as <a href="../../schema/Schema.html#getTable(java.lang.String)"><code>Schema.getTable(String)</code></a>.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#snapshot(org.apache.calcite.schema.SchemaVersion)" class="member-name-link">snapshot</a><wbr>(<a href="../../schema/SchemaVersion.html" title="interface in org.apache.calcite.schema">SchemaVersion</a>&nbsp;version)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns the snapshot of this schema as of the specified time.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ============ FIELD DETAIL =========== -->
<li>
<section class="field-details" id="field-detail">
<h2>Field Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="dialect">
<h3>dialect</h3>
<div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type"><a href="../../sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></span>&nbsp;<span class="element-name">dialect</span></div>
</section>
</li>
<li>
<section class="detail" id="THREAD_METADATA">
<h3>THREAD_METADATA</h3>
<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/ThreadLocal.html" title="class or interface in java.lang" class="external-link">ThreadLocal</a>&lt;@Nullable <a href="JdbcSchema.Foo.html" title="interface in org.apache.calcite.adapter.jdbc">JdbcSchema.Foo</a>&gt;</span>&nbsp;<span class="element-name">THREAD_METADATA</span></div>
</section>
</li>
</ul>
</section>
</li>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor-detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;(javax.sql.DataSource,org.apache.calcite.sql.SqlDialect,org.apache.calcite.adapter.jdbc.JdbcConvention,java.lang.String,java.lang.String)">
<h3>JdbcSchema</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">JdbcSchema</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/DataSource.html" title="class or interface in javax.sql" class="external-link">DataSource</a>&nbsp;dataSource,
<a href="../../sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a>&nbsp;dialect,
<a href="JdbcConvention.html" title="class in org.apache.calcite.adapter.jdbc">JdbcConvention</a>&nbsp;convention,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;catalog,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;schema)</span></div>
<div class="block">Creates a JDBC schema.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>dataSource</code> - Data source</dd>
<dd><code>dialect</code> - SQL dialect</dd>
<dd><code>convention</code> - Calling convention</dd>
<dd><code>catalog</code> - Catalog name, or null</dd>
<dd><code>schema</code> - Schema name pattern</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="create(org.apache.calcite.schema.SchemaPlus,java.lang.String,javax.sql.DataSource,java.lang.String,java.lang.String)">
<h3>create</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="JdbcSchema.html" title="class in org.apache.calcite.adapter.jdbc">JdbcSchema</a></span>&nbsp;<span class="element-name">create</span><wbr><span class="parameters">(<a href="../../schema/SchemaPlus.html" title="interface in org.apache.calcite.schema">SchemaPlus</a>&nbsp;parentSchema,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/DataSource.html" title="class or interface in javax.sql" class="external-link">DataSource</a>&nbsp;dataSource,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;catalog,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;schema)</span></div>
</section>
</li>
<li>
<section class="detail" id="create(org.apache.calcite.schema.SchemaPlus,java.lang.String,javax.sql.DataSource,org.apache.calcite.sql.SqlDialectFactory,java.lang.String,java.lang.String)">
<h3>create</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="JdbcSchema.html" title="class in org.apache.calcite.adapter.jdbc">JdbcSchema</a></span>&nbsp;<span class="element-name">create</span><wbr><span class="parameters">(<a href="../../schema/SchemaPlus.html" title="interface in org.apache.calcite.schema">SchemaPlus</a>&nbsp;parentSchema,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/DataSource.html" title="class or interface in javax.sql" class="external-link">DataSource</a>&nbsp;dataSource,
<a href="../../sql/SqlDialectFactory.html" title="interface in org.apache.calcite.sql">SqlDialectFactory</a>&nbsp;dialectFactory,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;catalog,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;schema)</span></div>
</section>
</li>
<li>
<section class="detail" id="create(org.apache.calcite.schema.SchemaPlus,java.lang.String,java.util.Map)">
<h3>create</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="JdbcSchema.html" title="class in org.apache.calcite.adapter.jdbc">JdbcSchema</a></span>&nbsp;<span class="element-name">create</span><wbr><span class="parameters">(<a href="../../schema/SchemaPlus.html" title="interface in org.apache.calcite.schema">SchemaPlus</a>&nbsp;parentSchema,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&gt;&nbsp;operand)</span></div>
<div class="block">Creates a JdbcSchema, taking credentials from a map.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>parentSchema</code> - Parent schema</dd>
<dd><code>name</code> - Name</dd>
<dd><code>operand</code> - Map of property/value pairs</dd>
<dt>Returns:</dt>
<dd>A JdbcSchema</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="createDialect(javax.sql.DataSource)">
<h3>createDialect</h3>
<div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a>
</span><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="../../sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></span>&nbsp;<span class="element-name">createDialect</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/DataSource.html" title="class or interface in javax.sql" class="external-link">DataSource</a>&nbsp;dataSource)</span></div>
<div class="deprecation-block"><span class="deprecated-label">Deprecated.</span>
<div class="deprecation-comment">Use <a href="#createDialect(org.apache.calcite.sql.SqlDialectFactory,javax.sql.DataSource)"><code>createDialect(SqlDialectFactory, DataSource)</code></a> instead</div>
</div>
<div class="block">Returns a suitable SQL dialect for the given data source.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>dataSource</code> - The data source</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="createDialect(org.apache.calcite.sql.SqlDialectFactory,javax.sql.DataSource)">
<h3>createDialect</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="../../sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></span>&nbsp;<span class="element-name">createDialect</span><wbr><span class="parameters">(<a href="../../sql/SqlDialectFactory.html" title="interface in org.apache.calcite.sql">SqlDialectFactory</a>&nbsp;dialectFactory,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/DataSource.html" title="class or interface in javax.sql" class="external-link">DataSource</a>&nbsp;dataSource)</span></div>
<div class="block">Returns a suitable SQL dialect for the given data source.</div>
</section>
</li>
<li>
<section class="detail" id="dataSource(java.lang.String,java.lang.String,java.lang.String,java.lang.String)">
<h3>dataSource</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/DataSource.html" title="class or interface in javax.sql" class="external-link">DataSource</a></span>&nbsp;<span class="element-name">dataSource</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;url,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;driverClassName,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;username,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;password)</span></div>
<div class="block">Creates a JDBC data source with the given specification.</div>
</section>
</li>
<li>
<section class="detail" id="isMutable()">
<h3>isMutable</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isMutable</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../../schema/Schema.html#isMutable()">Schema</a></code></span></div>
<div class="block">Returns whether the user is allowed to create new tables, functions
and sub-schemas in this schema, in addition to those returned automatically
by methods such as <a href="../../schema/Schema.html#getTable(java.lang.String)"><code>Schema.getTable(String)</code></a>.
<p>Even if this method returns true, the maps are not modified. Calcite
stores the defined objects in a wrapper object.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../../schema/Schema.html#isMutable()">isMutable</a></code>&nbsp;in interface&nbsp;<code><a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></code></dd>
<dt>Returns:</dt>
<dd>Whether the user is allowed to create new tables, functions
and sub-schemas in this schema</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="snapshot(org.apache.calcite.schema.SchemaVersion)">
<h3>snapshot</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></span>&nbsp;<span class="element-name">snapshot</span><wbr><span class="parameters">(<a href="../../schema/SchemaVersion.html" title="interface in org.apache.calcite.schema">SchemaVersion</a>&nbsp;version)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../../schema/Schema.html#snapshot(org.apache.calcite.schema.SchemaVersion)">Schema</a></code></span></div>
<div class="block">Returns the snapshot of this schema as of the specified time. The
contents of the schema snapshot should not change over time.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../../schema/Schema.html#snapshot(org.apache.calcite.schema.SchemaVersion)">snapshot</a></code>&nbsp;in interface&nbsp;<code><a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></code></dd>
<dt>Parameters:</dt>
<dd><code>version</code> - The current schema version</dd>
<dt>Returns:</dt>
<dd>the schema snapshot.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getDataSource()">
<h3>getDataSource</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.sql/javax/sql/DataSource.html" title="class or interface in javax.sql" class="external-link">DataSource</a></span>&nbsp;<span class="element-name">getDataSource</span>()</div>
</section>
</li>
<li>
<section class="detail" id="getExpression(org.apache.calcite.schema.SchemaPlus,java.lang.String)">
<h3>getExpression</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></span>&nbsp;<span class="element-name">getExpression</span><wbr><span class="parameters">(@Nullable <a href="../../schema/SchemaPlus.html" title="interface in org.apache.calcite.schema">SchemaPlus</a>&nbsp;parentSchema,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../../schema/Schema.html#getExpression(org.apache.calcite.schema.SchemaPlus,java.lang.String)">Schema</a></code></span></div>
<div class="block">Returns the expression by which this schema can be referenced in generated
code.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../../schema/Schema.html#getExpression(org.apache.calcite.schema.SchemaPlus,java.lang.String)">getExpression</a></code>&nbsp;in interface&nbsp;<code><a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></code></dd>
<dt>Parameters:</dt>
<dd><code>parentSchema</code> - Parent schema</dd>
<dd><code>name</code> - Name of this schema</dd>
<dt>Returns:</dt>
<dd>Expression by which this schema can be referenced in generated code</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getFunctions()">
<h3>getFunctions</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type">com.google.common.collect.Multimap&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="../../schema/Function.html" title="interface in org.apache.calcite.schema">Function</a>&gt;</span>&nbsp;<span class="element-name">getFunctions</span>()</div>
</section>
</li>
<li>
<section class="detail" id="getFunctions(java.lang.String)">
<h3>getFunctions</h3>
<div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a>&lt;<a href="../../schema/Function.html" title="interface in org.apache.calcite.schema">Function</a>&gt;</span>&nbsp;<span class="element-name">getFunctions</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../../schema/Schema.html#getFunctions(java.lang.String)">Schema</a></code></span></div>
<div class="block">Returns a list of functions in this schema with the given name, or
an empty list if there is no such function.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../../schema/Schema.html#getFunctions(java.lang.String)">getFunctions</a></code>&nbsp;in interface&nbsp;<code><a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></code></dd>
<dt>Parameters:</dt>
<dd><code>name</code> - Name of function</dd>
<dt>Returns:</dt>
<dd>List of functions with given name, or empty list</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getFunctionNames()">
<h3>getFunctionNames</h3>
<div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</span>&nbsp;<span class="element-name">getFunctionNames</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../../schema/Schema.html#getFunctionNames()">Schema</a></code></span></div>
<div class="block">Returns the names of the functions in this schema.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../../schema/Schema.html#getFunctionNames()">getFunctionNames</a></code>&nbsp;in interface&nbsp;<code><a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></code></dd>
<dt>Returns:</dt>
<dd>Names of the functions in this schema</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getTable(java.lang.String)">
<h3>getTable</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">@Nullable <a href="../../schema/Table.html" title="interface in org.apache.calcite.schema">Table</a></span>&nbsp;<span class="element-name">getTable</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../../schema/Schema.html#getTable(java.lang.String)">Schema</a></code></span></div>
<div class="block">Returns a table with a given name, or null if not found.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../../schema/Schema.html#getTable(java.lang.String)">getTable</a></code>&nbsp;in interface&nbsp;<code><a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></code></dd>
<dt>Parameters:</dt>
<dd><code>name</code> - Table name</dd>
<dt>Returns:</dt>
<dd>Table, or null</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getTableNames()">
<h3>getTableNames</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</span>&nbsp;<span class="element-name">getTableNames</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../../schema/Schema.html#getTableNames()">Schema</a></code></span></div>
<div class="block">Returns the names of the tables in this schema.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../../schema/Schema.html#getTableNames()">getTableNames</a></code>&nbsp;in interface&nbsp;<code><a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></code></dd>
<dt>Returns:</dt>
<dd>Names of the tables in this schema</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getTypes()">
<h3>getTypes</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="../../rel/type/RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a>&gt;</span>&nbsp;<span class="element-name">getTypes</span>()</div>
</section>
</li>
<li>
<section class="detail" id="getType(java.lang.String)">
<h3>getType</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">@Nullable <a href="../../rel/type/RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a></span>&nbsp;<span class="element-name">getType</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../../schema/Schema.html#getType(java.lang.String)">Schema</a></code></span></div>
<div class="block">Returns a type with a given name, or null if not found.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../../schema/Schema.html#getType(java.lang.String)">getType</a></code>&nbsp;in interface&nbsp;<code><a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></code></dd>
<dt>Parameters:</dt>
<dd><code>name</code> - Table name</dd>
<dt>Returns:</dt>
<dd>Table, or null</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getTypeNames()">
<h3>getTypeNames</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</span>&nbsp;<span class="element-name">getTypeNames</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../../schema/Schema.html#getTypeNames()">Schema</a></code></span></div>
<div class="block">Returns the names of the types in this schema.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../../schema/Schema.html#getTypeNames()">getTypeNames</a></code>&nbsp;in interface&nbsp;<code><a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></code></dd>
<dt>Returns:</dt>
<dd>Names of the tables in this schema</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getSubSchema(java.lang.String)">
<h3>getSubSchema</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">@Nullable <a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></span>&nbsp;<span class="element-name">getSubSchema</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../../schema/Schema.html#getSubSchema(java.lang.String)">Schema</a></code></span></div>
<div class="block">Returns a sub-schema with a given name, or null.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../../schema/Schema.html#getSubSchema(java.lang.String)">getSubSchema</a></code>&nbsp;in interface&nbsp;<code><a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></code></dd>
<dt>Parameters:</dt>
<dd><code>name</code> - Sub-schema name</dd>
<dt>Returns:</dt>
<dd>Sub-schema with a given name, or null</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getSubSchemaNames()">
<h3>getSubSchemaNames</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</span>&nbsp;<span class="element-name">getSubSchemaNames</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../../schema/Schema.html#getSubSchemaNames()">Schema</a></code></span></div>
<div class="block">Returns the names of this schema's child schemas.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../../schema/Schema.html#getSubSchemaNames()">getSubSchemaNames</a></code>&nbsp;in interface&nbsp;<code><a href="../../schema/Schema.html" title="interface in org.apache.calcite.schema">Schema</a></code></dd>
<dt>Returns:</dt>
<dd>Names of this schema's child schemas</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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