add postgre drop role rule

7512032b · 马晓光 · 7e8bfe1a · 7512032b
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sharding-core/src/main/antlr4/imports/PostgreSQLDCLStatement.g4 ...ng-core/src/main/antlr4/imports/PostgreSQLDCLStatement.g4 +4 -0

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--- a/sharding-core/src/main/antlr4/imports/PostgreSQLDCLStatement.g4
+++ b/sharding-core/src/main/antlr4/imports/PostgreSQLDCLStatement.g4
@@ -81,3 +81,7 @@ alterRoleSetConfig
 alterRoleResetConfig
    : ALTER ROLE (roleSpecification | ALL) (IN DATABASE databaseName)? RESET (STRING | ALL)
    ;
+
+dropRole
+    : DROP ROLE (IF EXISTS)? roleNames
+    ;