Package com.alibaba.druid.sql.dialect.teradata.parser

Class TDSelectParser

java.lang.Object

com.alibaba.druid.sql.parser.SQLParser

com.alibaba.druid.sql.parser.SQLSelectParser

com.alibaba.druid.sql.dialect.teradata.parser.TDSelectParser

public class TDSelectParser
extends SQLSelectParser

Field Summary

Fields inherited from class com.alibaba.druid.sql.parser.SQLSelectParser

exprParser, selectListCache

Fields inherited from class com.alibaba.druid.sql.parser.SQLParser

dbType, lexer

Constructor Summary

Constructors

Constructor	Description
TDSelectParser(Lexer lexer)	[ request_modifier ] { SELECT | SEL } [ WITH DELETED ROWS ] [ AS JSON ] [ select_list ] { { DISTINCT | ALL | normalize } [ { table_name.] * | column_name }.ALL ] | TOP_clause } { * | expr_spec [,...] } [ FROM_clause ] FROM { table_name [ [AS] correlation_name ] | join | derived_table_spec(Not supported) | table_function(Not supported) | table_operator(Not supported) } [ WITH_clause ] WITH { query_name [ column_list ] AS ( select_expression ) | RECURSIVE recursive_query_name [ column_list ] AS ( seed seed_spec [...] ) } [ WHERE_clause ] [ GROUP_BY_clause ] [ HAVING_clause | QUALIFY_clause ] [ SAMPLE_clause ] Not supported.
TDSelectParser(SQLExprParser exprParser, SQLSelectListCache selectListCache)

Method Summary

Modifier and Type	Method	Description
protected TDExprParser	createExprParser()
protected SQLSelectQueryBlock	createSelectQueryBlock()
protected void	parseBeforeSelectList(SQLSelectQueryBlock queryBlock)
protected void	parseTop(SQLSelectQueryBlock x)
protected void	querySelectListBefore(SQLSelectQueryBlock x)

Methods inherited from class com.alibaba.druid.sql.parser.SQLSelectParser

acceptKeyword, afterParseFetchClause, afterParseLimitClause, createSQLUnionQuery, expr, getReturningFunctions, getTableSource, parseAfterOrderBy, parseAfterTableSourceRest, parseFetchClause, parseFrom, parseGeneratedTableSource, parseGroupBy, parseGroupByItem, parseHierachical, parseJoinHint, parseLateralView, parseLateralViewAs, parseOrderBy, parseOrderByWith, parsePivot, parseSelectList, parseSelectListFromError, parseSortBy, parseTableSource, parseTableSource, parseTableSourceQueryTableExpr, parseTableSourceRest, parseTableSourceSample, parseTableSourceSampleHive, parseUnnestTableSource, parseValues, parseWhere, parseWindow, parseWith, primaryTableSourceRest, qualify, query, query, query, queryRest, queryRest, select, unionRest, valuesQuery, withSubquery

Methods inherited from class com.alibaba.druid.sql.parser.SQLParser

accept, acceptIdentifier, acceptIdentifier, acceptInteger, alias, as, config, dialectFeatureEnabled, getDbType, getLexer, getTimeZone, identifierEquals, isEnabled, match, newCreateStatement, printError, setErrorEndPos, setTimeZone, tableAlias, tableAlias

Methods inherited from class java.lang.Object

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

Constructor Details

TDSelectParser

public TDSelectParser(Lexer lexer)

[ request_modifier ] { SELECT | SEL } [ WITH DELETED ROWS ] [ AS JSON ] [ select_list ] { { DISTINCT | ALL | normalize } [ { table_name.] * | column_name }.ALL ] | TOP_clause } { * | expr_spec [,...] } [ FROM_clause ] FROM { table_name [ [AS] correlation_name ] | join | derived_table_spec(Not supported) | table_function(Not supported) | table_operator(Not supported) } [ WITH_clause ] WITH { query_name [ column_list ] AS ( select_expression ) | RECURSIVE recursive_query_name [ column_list ] AS ( seed seed_spec [...] ) } [ WHERE_clause ] [ GROUP_BY_clause ] [ HAVING_clause | QUALIFY_clause ] [ SAMPLE_clause ] Not supported. SAMPLE [ WITH REPLACEMENT ] [ RANDOMIZED LOCALIZATION ] { { fraction_description | count_description } [,...] | when_clause ] } [ EXPAND_ON_clause ] Not supported. EXPAND ON expand_expression [AS] expand_column_alias [ BY { interval_literal | ANCHOR [PERIOD] anchor_name [ AT time_literal ]} ] [ FOR period_expression ] [ ORDER_BY_clause ] ORDER BY { expression | column_name | column_name_alias | column_position } [ ASC |DESC ] [ NULLS { FIRST | LAST } ] [ WITH_clause [,...] ] [;]

TDSelectParser

public TDSelectParser(SQLExprParser exprParser,
 SQLSelectListCache selectListCache)

Method Details

createExprParser

protected TDExprParser createExprParser()

createSelectQueryBlock

protected SQLSelectQueryBlock createSelectQueryBlock()

Overrides:

createSelectQueryBlock in class SQLSelectParser

querySelectListBefore

protected void querySelectListBefore(SQLSelectQueryBlock x)

Overrides:

querySelectListBefore in class SQLSelectParser

parseBeforeSelectList

protected void parseBeforeSelectList(SQLSelectQueryBlock queryBlock)

Overrides:

parseBeforeSelectList in class SQLSelectParser

parseTop

protected void parseTop(SQLSelectQueryBlock x)

Overrides:

parseTop in class SQLSelectParser