Update migration-h2.sql script to use ALTER instead of MODIFY

Resolves #4390

Author: woniper

spring-batch-core/src/main/resources/org/springframework/batch/core/migration/5.0/migration-h2.sql

@@ -5,9 +5,12 @@ ALTER TABLE BATCH_JOB_EXECUTION_PARAMS DROP COLUMN DATE_VAL;
 ALTER TABLE BATCH_JOB_EXECUTION_PARAMS DROP COLUMN LONG_VAL;
 ALTER TABLE BATCH_JOB_EXECUTION_PARAMS DROP COLUMN DOUBLE_VAL;
 
-ALTER TABLE BATCH_JOB_EXECUTION_PARAMS MODIFY COLUMN TYPE_CD PARAMETER_TYPE VARCHAR(100);
-ALTER TABLE BATCH_JOB_EXECUTION_PARAMS MODIFY COLUMN KEY_NAME PARAMETER_NAME VARCHAR(100);
-ALTER TABLE BATCH_JOB_EXECUTION_PARAMS MODIFY COLUMN STRING_VAL PARAMETER_VALUE VARCHAR(2500);
+ALTER TABLE BATCH_JOB_EXECUTION_PARAMS ALTER COLUMN TYPE_CD RENAME TO PARAMETER_TYPE;
+ALTER TABLE BATCH_JOB_EXECUTION_PARAMS ALTER COLUMN PARAMETER_TYPE SET DATA TYPE VARCHAR(100);
+ALTER TABLE BATCH_JOB_EXECUTION_PARAMS ALTER COLUMN KEY_NAME RENAME TO PARAMETER_NAME;
+ALTER TABLE BATCH_JOB_EXECUTION_PARAMS ALTER COLUMN PARAMETER_NAME SET DATA TYPE VARCHAR(100);
+ALTER TABLE BATCH_JOB_EXECUTION_PARAMS ALTER COLUMN STRING_VAL RENAME TO PARAMETER_VALUE;
+ALTER TABLE BATCH_JOB_EXECUTION_PARAMS ALTER COLUMN PARAMETER_VALUE SET DATA TYPE VARCHAR(2500);
 
 ALTER TABLE BATCH_JOB_EXECUTION ALTER COLUMN CREATE_TIME SET DATA TYPE TIMESTAMP(9);
 ALTER TABLE BATCH_JOB_EXECUTION ALTER COLUMN START_TIME SET DATA TYPE TIMESTAMP(9);
@@ -17,4 +20,4 @@ ALTER TABLE BATCH_JOB_EXECUTION ALTER COLUMN LAST_UPDATED SET DATA TYPE TIMESTAM
 ALTER TABLE BATCH_STEP_EXECUTION ALTER COLUMN CREATE_TIME SET DATA TYPE TIMESTAMP(9);
 ALTER TABLE BATCH_STEP_EXECUTION ALTER COLUMN START_TIME SET DATA TYPE TIMESTAMP(9);
 ALTER TABLE BATCH_STEP_EXECUTION ALTER COLUMN END_TIME SET DATA TYPE TIMESTAMP(9);
-ALTER TABLE BATCH_STEP_EXECUTION ALTER COLUMN LAST_UPDATED SET DATA TYPE TIMESTAMP(9);
+ALTER TABLE BATCH_STEP_EXECUTION ALTER COLUMN LAST_UPDATED SET DATA TYPE TIMESTAMP(9);