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dt-sql-parser

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SQL Parsers for BigData, built with antlr4

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import { CreateDatabaseContext, CreateTableContext, CreateViewContext, PhysicalColumnDefinitionContext, TableReferenceContext, } from '../../lib/flink/FlinkSqlParser'; import { AttrName, EntityCollector, StmtContextType } from '../common/entityCollector'; import { EntityContextType } from '../common/types'; export class FlinkEntityCollector extends EntityCollector { /** ====== Entity Begin */ exitCatalogPathCreate(ctx) { this.pushEntity(ctx, EntityContextType.CATALOG_CREATE); } exitCatalogPath(ctx) { this.pushEntity(ctx, EntityContextType.CATALOG); } exitDatabasePathCreate(ctx) { this.pushEntity(ctx, EntityContextType.DATABASE_CREATE, [ { attrName: AttrName.comment, endContextList: [CreateDatabaseContext.name], }, ]); } exitDatabasePath(ctx) { this.pushEntity(ctx, EntityContextType.DATABASE); } exitTablePath(ctx) { var _a; const needCollectAttr = ((_a = this.getRootStmt()) === null || _a === void 0 ? void 0 : _a.stmtContextType) === StmtContextType.SELECT_STMT; this.pushEntity(ctx, EntityContextType.TABLE, needCollectAttr ? [ { attrName: AttrName.alias, endContextList: [TableReferenceContext.name], }, ] : undefined); } exitTablePathCreate(ctx) { this.pushEntity(ctx, EntityContextType.TABLE_CREATE, [ { attrName: AttrName.comment, endContextList: [CreateTableContext.name], }, ]); } exitViewPath(ctx) { this.pushEntity(ctx, EntityContextType.VIEW); } exitViewPathCreate(ctx) { this.pushEntity(ctx, EntityContextType.VIEW_CREATE, [ { attrName: AttrName.comment, endContextList: [CreateViewContext.name], }, ]); } exitColumnNameCreate(ctx) { this.pushEntity(ctx, EntityContextType.COLUMN_CREATE, [ { attrName: AttrName.comment, endContextList: [PhysicalColumnDefinitionContext.name], }, { attrName: AttrName.colType, endContextList: [PhysicalColumnDefinitionContext.name], }, ]); } exitFunctionNameCreate(ctx) { this.pushEntity(ctx, EntityContextType.FUNCTION_CREATE); } /** ===== Statement begin */ enterSqlStatement(ctx) { this.pushStmt(ctx, StmtContextType.COMMON_STMT); } exitSqlStatement(ctx) { this.popStmt(); } enterCreateCatalog(ctx) { this.pushStmt(ctx, StmtContextType.CREATE_CATALOG_STMT); } exitCreateCatalog(ctx) { this.popStmt(); } enterCreateDatabase(ctx) { this.pushStmt(ctx, StmtContextType.CREATE_DATABASE_STMT); } exitCreateDatabase(ctx) { this.popStmt(); } enterCreateTable(ctx) { this.pushStmt(ctx, StmtContextType.CREATE_TABLE_STMT); } exitCreateTable(ctx) { this.popStmt(); } enterCreateView(ctx) { this.pushStmt(ctx, StmtContextType.CREATE_VIEW_STMT); } exitCreateView(ctx) { this.popStmt(); } enterQueryStatement(ctx) { this.pushStmt(ctx, StmtContextType.SELECT_STMT); } exitQueryStatement(ctx) { this.popStmt(); } enterCreateFunction(ctx) { this.pushStmt(ctx, StmtContextType.CREATE_FUNCTION_STMT); } exitCreateFunction(ctx) { this.popStmt(); } enterInsertStatement(ctx) { this.pushStmt(ctx, StmtContextType.INSERT_STMT); } exitInsertStatement(ctx) { this.popStmt(); } }