feat: refactor migration job to use preSQL and postSQL from TargetTable; update config structure for job definitions

cmd/go_migrate/process.go

@@ -82,10 +82,10 @@ func processMigrationJob(
 		return result
 	}
 
-	preSqlQueries := job.PreSQL
+	preSqlQueries := job.TargetTable.PreSQL
 	if job.TruncateTarget {
 		truncateQuery := buildTruncateQuery(targetDbType, job.TargetTable.Schema, job.TargetTable.Table, job.TruncateMethod)
-		preSqlQueries = append([]string{truncateQuery}, job.PreSQL...)
+		preSqlQueries = append([]string{truncateQuery}, job.TargetTable.PreSQL...)
 	}
 
 	for _, query := range preSqlQueries {
@@ -238,7 +238,7 @@ func processMigrationJob(
 		cancel()
 	}()
 
-	for _, query := range job.PostSQL {
+	for _, query := range job.TargetTable.PostSQL {
 		if _, err := targetDbWrapper.Exec(localCtx, query); err != nil {
 			result.Error = err
 			return result

internal/app/config/migration.go

@@ -33,15 +33,17 @@ type TableInfo struct {
 	Table  string `yaml:"table"`
 }
 
-type TargetTableInfo struct {
-	TableInfo `yaml:",inline"`
-}
-
 type SourceTableInfo struct {
 	TableInfo  `yaml:",inline"`
 	PrimaryKey string `yaml:"primary_key"`
 }
 
+type TargetTableInfo struct {
+	TableInfo `yaml:",inline"`
+	PreSQL    []string `yaml:"pre_sql"`
+	PostSQL   []string `yaml:"post_sql"`
+}
+
 type RangeConfig struct {
 	Min            int64 `yaml:"min"`
 	Max            int64 `yaml:"max"`
@@ -54,8 +56,6 @@ type Job struct {
 	Enabled     bool            `yaml:"enabled"`
 	SourceTable SourceTableInfo `yaml:"source"`
 	TargetTable TargetTableInfo `yaml:"target"`
-	PreSQL      []string        `yaml:"pre_sql"`
-	PostSQL     []string        `yaml:"post_sql"`
 	JobConfig   `yaml:",inline"`
 	Range       RangeConfig `yaml:"range"`
 }