>From Hussain Towaileb <[email protected]>:
Hussain Towaileb has uploaded this change for review. (
https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/21232?usp=email )
Change subject: [ASTERIXDB-3634][EXT]: Allow any order for snapshot ID and pos
var
......................................................................
[ASTERIXDB-3634][EXT]: Allow any order for snapshot ID and pos var
Ext-ref: MB-70761
Change-Id: I831d0dac85197ce58ed1ba83f7327fa5b186a405
---
M asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.jj
1 file changed, 38 insertions(+), 15 deletions(-)
git pull ssh://asterix-gerrit.ics.uci.edu:29418/asterixdb
refs/changes/32/21232/1
diff --git a/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.jj
b/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.jj
index a307750..9a0f616 100644
--- a/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.jj
+++ b/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.jj
@@ -5974,7 +5974,18 @@
<AT> posVar = Variable()
)?
| posVar = Variable()
- )
+ (
+ <AT>
+ (
+ LOOKAHEAD( { laIdentifier(SNAPSHOT) } )
+ <IDENTIFIER> snapshotOrTimestamp = StringLiteral()
+ { timeTravelType = TimeTravel.Type.SNAPSHOT_ID; }
+ | LOOKAHEAD( { laIdentifier(TIMESTAMP) } )
+ <IDENTIFIER> snapshotOrTimestamp = StringLiteral()
+ { timeTravelType = TimeTravel.Type.SNAPSHOT_TIMESTAMP; }
+ )
+ )?
+ )
)?
(
(
@@ -6067,21 +6078,33 @@
}
((<AS>)? rightVar = Variable())?
(
- <AT>
- (
- LOOKAHEAD( { laIdentifier(SNAPSHOT) } )
- <IDENTIFIER> snapshotOrTimestamp = StringLiteral()
- { timeTravelType = TimeTravel.Type.SNAPSHOT_ID; }
+ <AT>
+ (
+ LOOKAHEAD( { laIdentifier(SNAPSHOT) } )
+ <IDENTIFIER> snapshotOrTimestamp = StringLiteral()
+ { timeTravelType = TimeTravel.Type.SNAPSHOT_ID; }
+ (
+ <AT> posVar = Variable()
+ )?
| LOOKAHEAD( { laIdentifier(TIMESTAMP) } )
- <IDENTIFIER> snapshotOrTimestamp = StringLiteral()
- { timeTravelType = TimeTravel.Type.SNAPSHOT_TIMESTAMP; }
- )
- )?
- (
- <AT>
- (
- posVar = Variable()
- )
+ <IDENTIFIER> snapshotOrTimestamp = StringLiteral()
+ { timeTravelType = TimeTravel.Type.SNAPSHOT_TIMESTAMP; }
+ (
+ <AT> posVar = Variable()
+ )?
+ | posVar = Variable()
+ (
+ <AT>
+ (
+ LOOKAHEAD( { laIdentifier(SNAPSHOT) } )
+ <IDENTIFIER> snapshotOrTimestamp = StringLiteral()
+ { timeTravelType = TimeTravel.Type.SNAPSHOT_ID; }
+ | LOOKAHEAD( { laIdentifier(TIMESTAMP) } )
+ <IDENTIFIER> snapshotOrTimestamp = StringLiteral()
+ { timeTravelType = TimeTravel.Type.SNAPSHOT_TIMESTAMP; }
+ )
+ )?
+ )
)?
{
if (rightVar == null) {
--
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Gerrit-MessageType: newchange
Gerrit-Project: asterixdb
Gerrit-Branch: lumina
Gerrit-Change-Id: I831d0dac85197ce58ed1ba83f7327fa5b186a405
Gerrit-Change-Number: 21232
Gerrit-PatchSet: 1
Gerrit-Owner: Hussain Towaileb <[email protected]>
