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

Class PrestoSelectParser

java.lang.Object

com.alibaba.druid.sql.parser.SQLParser

com.alibaba.druid.sql.parser.SQLSelectParser

com.alibaba.druid.sql.dialect.presto.parser.PrestoSelectParser

public class PrestoSelectParser
extends SQLSelectParser

presto的 选择解析器

author zhangcanlong date 2022/01/11

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
PrestoSelectParser(SQLExprParser exprParser)
PrestoSelectParser(SQLExprParser exprParser, SQLSelectListCache selectListCache)
PrestoSelectParser(String sql)

Method Summary

Modifier and Type	Method	Description
protected SQLExprParser	createExprParser()
void	parseFetchClause(SQLSelectQueryBlock queryBlock)
SQLSelectQuery	query(SQLObject parent, boolean acceptUnion)

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

acceptKeyword, createSQLUnionQuery, expr, parseFrom, parseGroupBy, parseGroupByItem, parseHierachical, parseLateralView, parseLateralViewAs, parseOrderBy, parsePivot, parseSelectList, parseSortBy, parseTableSource, parseTableSourceQueryTableExpr, parseTableSourceRest, parseTableSourceSample, parseTableSourceSampleHive, parseValues, parseWhere, parseWindow, parseWith, primaryTableSourceRest, query, query, queryRest, queryRest, select, unionRest, valuesQuery, withSubquery

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

accept, acceptIdentifier, acceptInteger, alias, as, config, 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

PrestoSelectParser

public PrestoSelectParser(SQLExprParser exprParser)

PrestoSelectParser

public PrestoSelectParser(SQLExprParser exprParser,
 SQLSelectListCache selectListCache)

PrestoSelectParser

public PrestoSelectParser(String sql)

Method Details

createExprParser

protected SQLExprParser createExprParser()

query

public SQLSelectQuery query(SQLObject parent,
 boolean acceptUnion)

Overrides:

query in class SQLSelectParser

parseFetchClause

public void parseFetchClause(SQLSelectQueryBlock queryBlock)

Overrides:

parseFetchClause in class SQLSelectParser