org.apache.flink.table.planner.operations.converters

Interface SqlNodeConverter.ConvertContext

All Known Implementing Classes:

SqlNodeConvertContext

Enclosing interface:

SqlNodeConverter<S extends org.apache.calcite.sql.SqlNode>

public static interface SqlNodeConverter.ConvertContext

Context of SqlNodeConverter.

Method Summary

Modifier and Type	Method and Description
String	expandSqlIdentifiers(String sql) Expands identifiers in a given SQL string.
org.apache.flink.table.catalog.CatalogManager	getCatalogManager() Returns the CatalogManager in the convert context.
org.apache.calcite.sql.validate.SqlValidator	getSqlValidator() Returns the SqlValidator in the convert context.
List<org.apache.calcite.rex.RexNode>	reduceRexNodes(List<org.apache.calcite.rex.RexNode> rexNodes) Reduce the given RexNodes.
String	toQuotedSqlString(org.apache.calcite.sql.SqlNode sqlNode) Convert the given into a quoted SQL string.
org.apache.calcite.rel.RelRoot	toRelRoot(org.apache.calcite.sql.SqlNode sqlNode) Converts the given validated SqlNode into a RelRoot.
org.apache.calcite.rex.RexNode	toRexNode(org.apache.calcite.sql.SqlNode sqlNode, org.apache.calcite.rel.type.RelDataType inputRowType, org.apache.flink.table.types.DataType outputType) Converts the given validated SqlNode into a RexNode.

Method Detail

getSqlValidator

org.apache.calcite.sql.validate.SqlValidator getSqlValidator()

Returns the SqlValidator in the convert context.

getCatalogManager

org.apache.flink.table.catalog.CatalogManager getCatalogManager()

Returns the CatalogManager in the convert context.

toRelRoot

org.apache.calcite.rel.RelRoot toRelRoot(org.apache.calcite.sql.SqlNode sqlNode)

Converts the given validated SqlNode into a RelRoot.

toRexNode

org.apache.calcite.rex.RexNode toRexNode(org.apache.calcite.sql.SqlNode sqlNode,
                                         org.apache.calcite.rel.type.RelDataType inputRowType,
                                         @Nullable
                                         org.apache.flink.table.types.DataType outputType)

Converts the given validated SqlNode into a RexNode.

reduceRexNodes

List<org.apache.calcite.rex.RexNode> reduceRexNodes(List<org.apache.calcite.rex.RexNode> rexNodes)

Reduce the given RexNodes.

toQuotedSqlString

String toQuotedSqlString(org.apache.calcite.sql.SqlNode sqlNode)

Convert the given into a quoted SQL string.

expandSqlIdentifiers

String expandSqlIdentifiers(String sql)

Expands identifiers in a given SQL string.

See Also:

Expander