Module: Gitlab::Database::AsyncConstraints::MigrationHelpers

Included in:
MigrationHelpers
Defined in:
lib/gitlab/database/async_constraints/migration_helpers.rb

Instance Method Summary collapse

Instance Method Details

#prepare_async_check_constraint_validation(table_name, name:) ⇒ Object

Prepares a check constraint for asynchronous validation.

Stores the constraint information in the postgres_async_foreign_key_validations table to be executed later.



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# File 'lib/gitlab/database/async_constraints/migration_helpers.rb', line 73

def prepare_async_check_constraint_validation(table_name, name:)
  Gitlab::Database::QueryAnalyzers::RestrictAllowedSchemas.require_ddl_mode!

  return unless async_constraint_validation_available?

  unless check_constraint_exists?(table_name, name)
    raise missing_schema_object_message(table_name, "check constraint", name)
  end

  async_validation = PostgresAsyncConstraintValidation
    .check_constraint_type
    .find_or_create_by!(name: name, table_name: table_name)

  Gitlab::AppLogger.info(
    message: 'Prepared check constraint for async validation',
    table_name: async_validation.table_name,
    constraint_name: async_validation.name)

  async_validation
end

#prepare_async_foreign_key_validation(table_name, column_name = nil, name: nil) ⇒ Object

Prepares a foreign key for asynchronous validation.

Stores the FK information in the postgres_async_foreign_key_validations table to be executed later.



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# File 'lib/gitlab/database/async_constraints/migration_helpers.rb', line 12

def prepare_async_foreign_key_validation(table_name, column_name = nil, name: nil)
  Gitlab::Database::QueryAnalyzers::RestrictAllowedSchemas.require_ddl_mode!

  return unless async_constraint_validation_available?

  fk_name = name || concurrent_foreign_key_name(table_name, column_name)

  unless foreign_key_exists?(table_name, name: fk_name)
    raise missing_schema_object_message(table_name, "foreign key", fk_name)
  end

  async_validation = PostgresAsyncConstraintValidation
    .foreign_key_type
    .find_or_create_by!(name: fk_name, table_name: table_name)

  Gitlab::AppLogger.info(
    message: 'Prepared FK for async validation',
    table_name: async_validation.table_name,
    fk_name: async_validation.name)

  async_validation
end

#prepare_partitioned_async_foreign_key_validation(table_name, column_name = nil, name: nil) ⇒ Object 



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# File 'lib/gitlab/database/async_constraints/migration_helpers.rb', line 48

def prepare_partitioned_async_foreign_key_validation(table_name, column_name = nil, name: nil)
  Gitlab::Database::QueryAnalyzers::RestrictAllowedSchemas.require_ddl_mode!

  return unless async_constraint_validation_available?

  Gitlab::Database::PostgresPartitionedTable.each_partition(table_name) do |partition|
    prepare_async_foreign_key_validation(partition.identifier, column_name, name: name)
  end
end

#unprepare_async_check_constraint_validation(table_name, name:) ⇒ Object 



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# File 'lib/gitlab/database/async_constraints/migration_helpers.rb', line 94

def unprepare_async_check_constraint_validation(table_name, name:)
  Gitlab::Database::QueryAnalyzers::RestrictAllowedSchemas.require_ddl_mode!

  return unless async_constraint_validation_available?

  PostgresAsyncConstraintValidation
    .check_constraint_type
    .find_by(name: name, table_name: table_name)
    .try(&:destroy!)
end

#unprepare_async_foreign_key_validation(table_name, column_name = nil, name: nil) ⇒ Object 



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# File 'lib/gitlab/database/async_constraints/migration_helpers.rb', line 35

def unprepare_async_foreign_key_validation(table_name, column_name = nil, name: nil)
  Gitlab::Database::QueryAnalyzers::RestrictAllowedSchemas.require_ddl_mode!

  return unless async_constraint_validation_available?

  fk_name = name || concurrent_foreign_key_name(table_name, column_name)

  PostgresAsyncConstraintValidation
    .foreign_key_type
    .find_by(name: fk_name, table_name: table_name)
    .try(&:destroy!)
end

#unprepare_partitioned_async_foreign_key_validation(table_name, column_name = nil, name: nil) ⇒ Object 



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# File 'lib/gitlab/database/async_constraints/migration_helpers.rb', line 58

def unprepare_partitioned_async_foreign_key_validation(table_name, column_name = nil, name: nil)
  Gitlab::Database::QueryAnalyzers::RestrictAllowedSchemas.require_ddl_mode!

  return unless async_constraint_validation_available?

  Gitlab::Database::PostgresPartitionedTable.each_partition(table_name) do |partition|
    unprepare_async_foreign_key_validation(partition.identifier, column_name, name: name)
  end
end