Package org.pgcodekeeper.core.parsers.antlr.ch.expr

Class ChSelect

java.lang.Object

org.pgcodekeeper.core.parsers.antlr.ch.expr.ChAbstractExpr

org.pgcodekeeper.core.parsers.antlr.ch.expr.ChAbstractExprWithNmspc<CHParser.Select_stmtContext>

org.pgcodekeeper.core.parsers.antlr.ch.expr.ChSelect

public final class ChSelect
extends ChAbstractExprWithNmspc<CHParser.Select_stmtContext>

Handles parsing and analysis of ClickHouse SELECT statements. Manages query structure including FROM, WHERE, GROUP BY clauses and more.

Constructor Summary

Constructors

Constructor	Description
ChSelect(String schema, MetaContainer meta)	Creates a new SELECT analyzer with schema and metadata.

Method Summary

Modifier and Type	Method	Description
List<String>	analyze(CHParser.Select_stmt_no_parensContext ruleCtx)	Analyzes a SELECT statement without parentheses context.
List<String>	analyze(CHParser.Select_stmtContext ruleCtx)	Analyzes a SELECT statement context.
List<String>	analyze(ChSelectStmt select)	Analyzes a pre-parsed SELECT statement structure.

Methods inherited from class org.pgcodekeeper.core.parsers.antlr.ch.expr.ChAbstractExprWithNmspc

addRawTableReference, addReference

Methods inherited from class org.pgcodekeeper.core.parsers.antlr.ch.expr.ChAbstractExpr

getDepcies

Methods inherited from class java.lang.Object

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

Constructor Details

ChSelect

public ChSelect(String schema,
 MetaContainer meta)

Creates a new SELECT analyzer with schema and metadata.

Parameters:

schema - the database schema name

meta - the metadata container

Method Details

analyze

public List<String> analyze(CHParser.Select_stmtContext ruleCtx)

Analyzes a SELECT statement context.

Specified by:

analyze in class ChAbstractExprWithNmspc<CHParser.Select_stmtContext>

Parameters:

ruleCtx - the ANTLR parse tree context

Returns:

empty list (analysis results are stored internally)

analyze

public List<String> analyze(CHParser.Select_stmt_no_parensContext ruleCtx)

Analyzes a SELECT statement without parentheses context.

Parameters:

ruleCtx - the ANTLR parse tree context

Returns:

empty list (analysis results are stored internally)

analyze

public List<String> analyze(ChSelectStmt select)

Analyzes a pre-parsed SELECT statement structure.

Parameters:

select - the pre-parsed SELECT statement wrapper

Returns:

empty list (analysis results are stored internally)