org.apache.flink.table.planner.delegation.hive.copy

Class HiveASTParseDriver

java.lang.Object

org.apache.flink.table.planner.delegation.hive.copy.HiveASTParseDriver

public class HiveASTParseDriver
extends Object

Counterpart of hive's org.apache.hadoop.hive.ql.parse.ParseDriver.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HiveASTParseDriver.ANTLRNoCaseStringStream ANTLRNoCaseStringStream.
static class	HiveASTParseDriver.HiveLexerX HiveLexerX.

Field Summary

Fields

Modifier and Type	Field and Description
static org.antlr.runtime.tree.TreeAdaptor	ADAPTOR Tree adaptor for making antlr return ASTNodes instead of CommonTree nodes so that the graph walking algorithms and the rules framework defined in ql.lib can be used with the AST Nodes.

Constructor Summary

Constructors

Constructor and Description
HiveASTParseDriver()

Method Summary

Modifier and Type	Method and Description
HiveParserASTNode	parse(String command, HiveParserContext ctx, String viewFullyQualifiedName) Parses a command, optionally assigning the parser's token stream to the given context.
HiveParserASTNode	parseHint(String command)

Methods inherited from class java.lang.Object

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

Field Detail

ADAPTOR

public static final org.antlr.runtime.tree.TreeAdaptor ADAPTOR

Tree adaptor for making antlr return ASTNodes instead of CommonTree nodes so that the graph walking algorithms and the rules framework defined in ql.lib can be used with the AST Nodes.

Constructor Detail

HiveASTParseDriver

public HiveASTParseDriver()

Method Detail

parse

public HiveParserASTNode parse(String command,
                               HiveParserContext ctx,
                               String viewFullyQualifiedName)
                        throws HiveASTParseException

Parses a command, optionally assigning the parser's token stream to the given context.

Parameters:

command - command to parse

ctx - context with which to associate this parser's token stream, or null if either no context is available or the context already has an existing stream

Returns:

parsed AST

Throws:

HiveASTParseException

parseHint

public HiveParserASTNode parseHint(String command)
                            throws HiveASTParseException

Throws:

HiveASTParseException