fix: expression with capital AND and OR are not recognized (#38927)

fix #38864
AND, OR and NOT is not recognized in milvus parser

Signed-off-by: Cai Zhang <[email protected]>

Makefile

@@ -554,3 +554,7 @@ mmap-migration:
     		mkdir -p $(INSTALL_PATH) && go env -w CGO_ENABLED="1" && \
     		GO111MODULE=on $(GO) build -pgo=$(PGO_PATH)/default.pgo -ldflags="-r $${RPATH} -X '$(OBJPREFIX).BuildTags=$(BUILD_TAGS)' -X '$(OBJPREFIX).BuildTime=$(BUILD_TIME)' -X '$(OBJPREFIX).GitCommit=$(GIT_COMMIT)' -X '$(OBJPREFIX).GoVersion=$(GO_VERSION)'" \
     		-tags dynamic -o $(INSTALL_PATH)/mmap-migration $(MMAP_MIGRATION_PATH)/main.go 1>/dev/null
+
+generate-parser:
+	@echo "Updating milvus expression parser"
+	@(cd $(PWD)/internal/parser/planparserv2 && env bash generate.sh)

internal/parser/planparserv2/Plan.g4

@@ -73,14 +73,14 @@ BAND: '&';
 BOR: '|';
 BXOR: '^';
 
-AND: '&&' | 'and';
-OR: '||' | 'or';
+AND: '&&' | 'and' | 'AND';
+OR: '||' | 'or' | 'OR';
 
 ISNULL: 'is null' | 'IS NULL';
 ISNOTNULL: 'is not null' | 'IS NOT NULL';
 
 BNOT: '~';
-NOT: '!' | 'not';
+NOT: '!' | 'not' | 'NOT';
 
 IN: 'in' | 'IN';
 EmptyArray: '[' (Whitespace | Newline)* ']';

internal/parser/planparserv2/generate.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env sh
 
-alias antlr4='java -Xmx500M -cp "../../../scripts/antlr-4.13.2-complete.jar:$CLASSPATH" org.antlr.v4.Tool'
+antlr4() {
+    java -Xmx500M -cp "../../../scripts/antlr-4.13.2-complete.jar:$CLASSPATH" org.antlr.v4.Tool "$@"
+}
 rm -fr generated
 antlr4 -Dlanguage=Go -package planparserv2 -o generated -no-listener -visitor Plan.g4