Update info_schema_auto_increment.go (#833)

Fix case in auto increment collector where two tables only differ base case.

Signed-off-by: Nicole Chen <51746100+nicolevv@users.noreply.github.com>

collector/info_schema_auto_increment.go

@@ -23,7 +23,7 @@ import (
 )
 
 const infoSchemaAutoIncrementQuery = `
-		SELECT table_schema, table_name, column_name, auto_increment,
+		SELECT c.table_schema, c.table_name, column_name, auto_increment,
 		  pow(2, case data_type
 		    when 'tinyint'   then 7
 		    when 'smallint'  then 15
@@ -32,7 +32,7 @@ const infoSchemaAutoIncrementQuery = `
 		    when 'bigint'    then 63
 		    end+(column_type like '% unsigned'))-1 as max_int
 		  FROM information_schema.columns c
-		  STRAIGHT_JOIN information_schema.tables t USING (table_schema,table_name)
+		  STRAIGHT_JOIN information_schema.tables t ON (BINARY c.table_schema=t.table_schema AND BINARY c.table_name=t.table_name)
 		  WHERE c.extra = 'auto_increment' AND t.auto_increment IS NOT NULL
 		`