# Package org.springframework.cloud.dataflow.server.db.migration.postgresql

- Class Summary
  Class | Description
  --- | ---
  PostgresBeforeBaseline | Baselining schema setup for `postgres`.
  PostgresMigrateStreamDefinitionsSqlCommand | `SqlCommand` copying data from `STREAM_DEFINITIONS` table into `stream_definitions_tmp` table handling correct way to use CLOB with postgres.
  PostgresMigrateTaskDefinitionsSqlCommand | `SqlCommand` copying data from `TASK_DEFINITIONS` table into `task_definitions_tmp` table handling correct way to use CLOB with postgres.
  PostgresMigrateUriRegistrySqlCommand | `postgres` related `SqlCommand` for migrating data from `URI_REGISTRY` into `app_registration`.
  V1__Initial_Setup | Initial schema setup for `postgres`.
  V2__Add_Descriptions_OriginalDefinition | This migration class adds description column to stream_definitions and task_definitions tables and original_definition column to stream_definitions.
  V3__Add_Platform_To_AuditRecords | This migration class adds platformName column to audit_records.
  V4__Add_Step_Name_Indexes | This migration class adds index for STEP_NAME on BATCH_STEP_EXECUTION.

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