org.apache.hadoop.hive.ql.parse.type

Class RexNodeTypeCheck

java.lang.Object

org.apache.hadoop.hive.ql.parse.type.RexNodeTypeCheck

public class RexNodeTypeCheck
extends Object

Constructor Summary

Constructors

Constructor and Description
RexNodeTypeCheck()

Method Summary

Modifier and Type	Method and Description
static org.apache.calcite.rex.RexNode	genConstraintsExpr(HiveConf conf, org.apache.calcite.rex.RexBuilder rexBuilder, Table targetTable, boolean updateStatement, RowResolver inputRR)
static Map<ASTNode,org.apache.calcite.rex.RexNode>	genExprNode(ASTNode expr, TypeCheckCtx tcCtx) Given an AST expression and a context, it will produce a map from AST nodes to Calcite RexNode.
static Map<ASTNode,org.apache.calcite.rex.RexNode>	genExprNodeJoinCond(ASTNode expr, TypeCheckCtx tcCtx, org.apache.calcite.rex.RexBuilder rexBuilder) Given an AST join expression and a context, it will produce a map from AST nodes to Calcite RexNode.
static TypeCheckProcFactory.DefaultExprProcessor	getExprNodeDefaultExprProcessor(org.apache.calcite.rex.RexBuilder rexBuilder) Returns the default processor to generate Calcite RexNode from AST nodes.
static org.apache.calcite.rex.RexNode	toExprNode(ColumnInfo columnInfo, RowResolver rowResolver, int offset, org.apache.calcite.rex.RexBuilder rexBuilder) Transforms column information into the corresponding Calcite RexNode.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RexNodeTypeCheck

public RexNodeTypeCheck()

Method Detail

genExprNode

public static Map<ASTNode,org.apache.calcite.rex.RexNode> genExprNode(ASTNode expr,
                                                                      TypeCheckCtx tcCtx)
                                                               throws SemanticException

Given an AST expression and a context, it will produce a map from AST nodes to Calcite RexNode.

Throws:

SemanticException

getExprNodeDefaultExprProcessor

public static TypeCheckProcFactory.DefaultExprProcessor getExprNodeDefaultExprProcessor(org.apache.calcite.rex.RexBuilder rexBuilder)

Returns the default processor to generate Calcite RexNode from AST nodes.

genExprNodeJoinCond

public static Map<ASTNode,org.apache.calcite.rex.RexNode> genExprNodeJoinCond(ASTNode expr,
                                                                              TypeCheckCtx tcCtx,
                                                                              org.apache.calcite.rex.RexBuilder rexBuilder)
                                                                       throws SemanticException

Given an AST join expression and a context, it will produce a map from AST nodes to Calcite RexNode.

Throws:

SemanticException

toExprNode

public static org.apache.calcite.rex.RexNode toExprNode(ColumnInfo columnInfo,
                                                        RowResolver rowResolver,
                                                        int offset,
                                                        org.apache.calcite.rex.RexBuilder rexBuilder)
                                                 throws SemanticException

Transforms column information into the corresponding Calcite RexNode.

Throws:

SemanticException

genConstraintsExpr

public static org.apache.calcite.rex.RexNode genConstraintsExpr(HiveConf conf,
                                                                org.apache.calcite.rex.RexBuilder rexBuilder,
                                                                Table targetTable,
                                                                boolean updateStatement,
                                                                RowResolver inputRR)
                                                         throws SemanticException

Throws:

SemanticException