Add wildcard escaping fix similar to MySQL

docker-library/mysql#500 (comment)

Author: yosifkit

10.1/docker-entrypoint.sh

@@ -258,7 +258,7 @@ docker_setup_db() {
 
 		if [ -n "$MYSQL_DATABASE" ]; then
 			mysql_note "Giving user ${MYSQL_USER} access to schema ${MYSQL_DATABASE}"
-			docker_process_sql --database=mysql <<<"GRANT ALL ON \`$MYSQL_DATABASE\`.* TO '$MYSQL_USER'@'%' ;"
+			docker_process_sql --database=mysql <<<"GRANT ALL ON \`${MYSQL_DATABASE//_/\\_}\`.* TO '$MYSQL_USER'@'%' ;"
 		fi
 
 		docker_process_sql --database=mysql <<<"FLUSH PRIVILEGES ;"

10.2/docker-entrypoint.sh

@@ -258,7 +258,7 @@ docker_setup_db() {
 
 		if [ -n "$MYSQL_DATABASE" ]; then
 			mysql_note "Giving user ${MYSQL_USER} access to schema ${MYSQL_DATABASE}"
-			docker_process_sql --database=mysql <<<"GRANT ALL ON \`$MYSQL_DATABASE\`.* TO '$MYSQL_USER'@'%' ;"
+			docker_process_sql --database=mysql <<<"GRANT ALL ON \`${MYSQL_DATABASE//_/\\_}\`.* TO '$MYSQL_USER'@'%' ;"
 		fi
 
 		docker_process_sql --database=mysql <<<"FLUSH PRIVILEGES ;"

10.3/docker-entrypoint.sh

@@ -258,7 +258,7 @@ docker_setup_db() {
 
 		if [ -n "$MYSQL_DATABASE" ]; then
 			mysql_note "Giving user ${MYSQL_USER} access to schema ${MYSQL_DATABASE}"
-			docker_process_sql --database=mysql <<<"GRANT ALL ON \`$MYSQL_DATABASE\`.* TO '$MYSQL_USER'@'%' ;"
+			docker_process_sql --database=mysql <<<"GRANT ALL ON \`${MYSQL_DATABASE//_/\\_}\`.* TO '$MYSQL_USER'@'%' ;"
 		fi
 
 		docker_process_sql --database=mysql <<<"FLUSH PRIVILEGES ;"

10.4/docker-entrypoint.sh

@@ -258,7 +258,7 @@ docker_setup_db() {
 
 		if [ -n "$MYSQL_DATABASE" ]; then
 			mysql_note "Giving user ${MYSQL_USER} access to schema ${MYSQL_DATABASE}"
-			docker_process_sql --database=mysql <<<"GRANT ALL ON \`$MYSQL_DATABASE\`.* TO '$MYSQL_USER'@'%' ;"
+			docker_process_sql --database=mysql <<<"GRANT ALL ON \`${MYSQL_DATABASE//_/\\_}\`.* TO '$MYSQL_USER'@'%' ;"
 		fi
 
 		docker_process_sql --database=mysql <<<"FLUSH PRIVILEGES ;"

10.5/docker-entrypoint.sh

@@ -258,7 +258,7 @@ docker_setup_db() {
 
 		if [ -n "$MYSQL_DATABASE" ]; then
 			mysql_note "Giving user ${MYSQL_USER} access to schema ${MYSQL_DATABASE}"
-			docker_process_sql --database=mysql <<<"GRANT ALL ON \`$MYSQL_DATABASE\`.* TO '$MYSQL_USER'@'%' ;"
+			docker_process_sql --database=mysql <<<"GRANT ALL ON \`${MYSQL_DATABASE//_/\\_}\`.* TO '$MYSQL_USER'@'%' ;"
 		fi
 
 		docker_process_sql --database=mysql <<<"FLUSH PRIVILEGES ;"

docker-entrypoint.sh

@@ -258,7 +258,7 @@ docker_setup_db() {
 
 		if [ -n "$MYSQL_DATABASE" ]; then
 			mysql_note "Giving user ${MYSQL_USER} access to schema ${MYSQL_DATABASE}"
-			docker_process_sql --database=mysql <<<"GRANT ALL ON \`$MYSQL_DATABASE\`.* TO '$MYSQL_USER'@'%' ;"
+			docker_process_sql --database=mysql <<<"GRANT ALL ON \`${MYSQL_DATABASE//_/\\_}\`.* TO '$MYSQL_USER'@'%' ;"
 		fi
 
 		docker_process_sql --database=mysql <<<"FLUSH PRIVILEGES ;"