This is an automated email from the ASF dual-hosted git repository. rong pushed a commit to branch select-into in repository https://gitbox.apache.org/repos/asf/iotdb.git
commit 862afe4b6e1d308b4611b1a5a88287ef4a3fd832 Author: Steve Yurong Su <[email protected]> AuthorDate: Tue Jul 13 09:41:40 2021 +0800 antlr grammer for select into --- .../antlr4/org/apache/iotdb/db/qp/sql/SqlBase.g4 | 45 ++++++++++++---------- 1 file changed, 25 insertions(+), 20 deletions(-) diff --git a/antlr/src/main/antlr4/org/apache/iotdb/db/qp/sql/SqlBase.g4 b/antlr/src/main/antlr4/org/apache/iotdb/db/qp/sql/SqlBase.g4 index 41235f4..cdffba1 100644 --- a/antlr/src/main/antlr4/org/apache/iotdb/db/qp/sql/SqlBase.g4 +++ b/antlr/src/main/antlr4/org/apache/iotdb/db/qp/sql/SqlBase.g4 @@ -105,6 +105,7 @@ statement | STOP TRIGGER triggerName=ID #stopTrigger | SHOW TRIGGERS #showTriggers | selectClause fromClause whereClause? specialClause? #selectStatement + | selectClause intoClause fromClause whereClause? specialClause? #selectIntoStatement | CREATE (CONTINUOUS QUERY | CQ) continuousQueryName=ID resampleClause? cqSelectIntoClause #createContinuousQueryStatement @@ -113,26 +114,30 @@ statement ; selectClause - : SELECT (LAST | topClause)? resultColumn (COMMA resultColumn)* - ; + : SELECT (LAST | topClause)? resultColumn (COMMA resultColumn)* + ; resultColumn - : expression (AS ID)? - ; + : expression (AS ID)? + ; expression - : LR_BRACKET unary=expression RR_BRACKET - | (PLUS | MINUS) unary=expression - | leftExpression=expression (STAR | DIV | MOD) rightExpression=expression - | leftExpression=expression (PLUS | MINUS) rightExpression=expression - | functionName=suffixPath LR_BRACKET expression (COMMA expression)* functionAttribute* RR_BRACKET - | suffixPath - | literal=SINGLE_QUOTE_STRING_LITERAL - ; + : LR_BRACKET unary=expression RR_BRACKET + | (PLUS | MINUS) unary=expression + | leftExpression=expression (STAR | DIV | MOD) rightExpression=expression + | leftExpression=expression (PLUS | MINUS) rightExpression=expression + | functionName=suffixPath LR_BRACKET expression (COMMA expression)* functionAttribute* RR_BRACKET + | suffixPath + | literal=SINGLE_QUOTE_STRING_LITERAL + ; functionAttribute - : COMMA functionAttributeKey=stringLiteral OPERATOR_EQ functionAttributeValue=stringLiteral - ; + : COMMA functionAttributeKey=stringLiteral OPERATOR_EQ functionAttributeValue=stringLiteral + ; + +intoClause + : INTO intoPath (COMMA intoPath)* + ; alias : LR_BRACKET ID RR_BRACKET @@ -338,12 +343,12 @@ resampleClause : RESAMPLE (EVERY DURATION)? (FOR DURATION)?; cqSelectIntoClause - : BEGIN - selectClause - INTO (fullPath | nodeNameWithoutStar) - fromClause - cqGroupByTimeClause - END + : BEGIN selectClause INTO intoPath fromClause cqGroupByTimeClause END + ; + +intoPath + : fullPath + | nodeNameWithoutStar ; cqGroupByTimeClause
