gudusoft.gsqlparser.resolver2.result

Class ResolutionResultImpl

Object

gudusoft.gsqlparser.resolver2.result.ResolutionResultImpl

All Implemented Interfaces:

IResolutionResult

public class ResolutionResultImpl
extends Object
implements IResolutionResult

Default implementation of IResolutionResult. Provides statement-centric query access based on ScopeBuildResult.

Constructor Summary

Constructors

Constructor and Description
ResolutionResultImpl(ScopeBuildResult scopeBuildResult, TStatementList statements)

Method Summary

Modifier and Type	Method and Description
Set<String>	getAllCTENames() 获取所有 CTE 名称
Set<String>	getAllFieldNames() 获取所有字段名（table.column 格式，全局去重）
List<TObjectName>	getAllResolvedColumns() 获取所有已解析的列（sourceTable != null）
Set<String>	getAllTableNames() 获取所有表名（全局去重） 适用于批量处理场景
List<TObjectName>	getAllUnresolvedColumns() 获取所有未解析的列（sourceTable == null）
List<TObjectName>	getColumns(TCustomSqlStatement stmt) 获取指定语句中涉及的所有列引用
List<TObjectName>	getColumnsForTable(TCustomSqlStatement stmt, TTable table) 获取关联到指定表的列
List<TCTE>	getCTEs(TCustomSqlStatement stmt) 获取指定语句中的 CTE 定义
List<TObjectName>	getOrphanColumns(TCustomSqlStatement stmt) 获取指定语句中未解析的列（孤儿列） 即 sourceTable 为 null 的列
IScope	getScope(TCustomSqlStatement stmt) 获取指定语句的 Scope 仅供高级用户使用，一般不需要直接访问 Scope
ResolutionStatistics	getStatistics() 获取解析统计信息
List<TTable>	getTables(TCustomSqlStatement stmt) 获取指定语句中涉及的所有表 默认过滤：排除 JOIN 容器，包含物理表
List<TTable>	getTables(TCustomSqlStatement stmt, TableFilterOptions options) 获取指定语句中涉及的所有表（带过滤选项）

Methods inherited from class Object

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

Constructor Detail

ResolutionResultImpl

public ResolutionResultImpl(ScopeBuildResult scopeBuildResult,
                            TStatementList statements)

Method Detail

getScope

public IScope getScope(TCustomSqlStatement stmt)

Description copied from interface: IResolutionResult

获取指定语句的 Scope 仅供高级用户使用，一般不需要直接访问 Scope

Specified by:

getScope in interface IResolutionResult

Parameters:

stmt - SQL语句

Returns:

该语句对应的 Scope，如果不存在返回 null

getTables

public List<TTable> getTables(TCustomSqlStatement stmt)

Description copied from interface: IResolutionResult

获取指定语句中涉及的所有表 默认过滤：排除 JOIN 容器，包含物理表

Specified by:

getTables in interface IResolutionResult

Parameters:

stmt - SQL语句

Returns:

表列表

getTables

public List<TTable> getTables(TCustomSqlStatement stmt,
                              TableFilterOptions options)

Description copied from interface: IResolutionResult

获取指定语句中涉及的所有表（带过滤选项）

Specified by:

getTables in interface IResolutionResult

Parameters:

stmt - SQL语句

options - 过滤选项

Returns:

表列表

getColumns

public List<TObjectName> getColumns(TCustomSqlStatement stmt)

Description copied from interface: IResolutionResult

获取指定语句中涉及的所有列引用

Specified by:

getColumns in interface IResolutionResult

Parameters:

stmt - SQL语句

Returns:

列列表

getColumnsForTable

public List<TObjectName> getColumnsForTable(TCustomSqlStatement stmt,
                                            TTable table)

Description copied from interface: IResolutionResult

获取关联到指定表的列

Specified by:

getColumnsForTable in interface IResolutionResult

Parameters:

stmt - SQL语句

table - 目标表

Returns:

关联到此表的列列表

getOrphanColumns

public List<TObjectName> getOrphanColumns(TCustomSqlStatement stmt)

Description copied from interface: IResolutionResult

获取指定语句中未解析的列（孤儿列） 即 sourceTable 为 null 的列

Specified by:

getOrphanColumns in interface IResolutionResult

Parameters:

stmt - SQL语句

Returns:

孤儿列列表

getCTEs

public List<TCTE> getCTEs(TCustomSqlStatement stmt)

Description copied from interface: IResolutionResult

获取指定语句中的 CTE 定义

Specified by:

getCTEs in interface IResolutionResult

Parameters:

stmt - SQL语句（通常是包含 WITH 子句的 SELECT）

Returns:

CTE 列表

getAllTableNames

public Set<String> getAllTableNames()

Description copied from interface: IResolutionResult

获取所有表名（全局去重） 适用于批量处理场景

Specified by:

getAllTableNames in interface IResolutionResult

Returns:

所有表名集合

getAllFieldNames

public Set<String> getAllFieldNames()

Description copied from interface: IResolutionResult

获取所有字段名（table.column 格式，全局去重）

Specified by:

getAllFieldNames in interface IResolutionResult

Returns:

所有字段名集合

getAllCTENames

public Set<String> getAllCTENames()

Description copied from interface: IResolutionResult

获取所有 CTE 名称

Specified by:

getAllCTENames in interface IResolutionResult

Returns:

CTE 名称集合

getAllResolvedColumns

public List<TObjectName> getAllResolvedColumns()

Description copied from interface: IResolutionResult

获取所有已解析的列（sourceTable != null）

Specified by:

getAllResolvedColumns in interface IResolutionResult

Returns:

已解析列列表

getAllUnresolvedColumns

public List<TObjectName> getAllUnresolvedColumns()

Description copied from interface: IResolutionResult

获取所有未解析的列（sourceTable == null）

Specified by:

getAllUnresolvedColumns in interface IResolutionResult

Returns:

未解析列列表

getStatistics

public ResolutionStatistics getStatistics()

Description copied from interface: IResolutionResult

获取解析统计信息

Specified by:

getStatistics in interface IResolutionResult

Returns:

统计信息 (使用 gudusoft.gsqlparser.resolver2.model.ResolutionStatistics)