🐛Source-postgres: added materialized views processing (#9116)

* [9012] Source-postgres: added materialized views processing

Author: etsybaev

airbyte-config/init/src/main/resources/config/STANDARD_SOURCE_DEFINITION/decd338e-5647-4c0b-adf4-da0e75f5a750.json

@@ -2,7 +2,7 @@
   "sourceDefinitionId": "decd338e-5647-4c0b-adf4-da0e75f5a750",
   "name": "Postgres",
   "dockerRepository": "airbyte/source-postgres",
-  "dockerImageTag": "0.3.17",
+  "dockerImageTag": "0.4.1",
   "documentationUrl": "https://docs.airbyte.io/integrations/sources/postgres",
   "icon": "postgresql.svg"
 }

airbyte-config/init/src/main/resources/seed/source_definitions.yaml

@@ -537,7 +537,7 @@
 - name: Postgres
   sourceDefinitionId: decd338e-5647-4c0b-adf4-da0e75f5a750
   dockerRepository: airbyte/source-postgres
-  dockerImageTag: 0.4.0
+  dockerImageTag: 0.4.1
   documentationUrl: https://docs.airbyte.io/integrations/sources/postgres
   icon: postgresql.svg
   sourceType: database

airbyte-integrations/connectors/source-postgres-strict-encrypt/Dockerfile

@@ -16,5 +16,5 @@ ENV APPLICATION source-postgres-strict-encrypt
 
 COPY --from=build /airbyte /airbyte
 
-LABEL io.airbyte.version=0.1.5
+LABEL io.airbyte.version=0.1.6
 LABEL io.airbyte.name=airbyte/source-postgres-strict-encrypt

airbyte-integrations/connectors/source-postgres/Dockerfile

@@ -16,5 +16,5 @@ ENV APPLICATION source-postgres
 
 COPY --from=build /airbyte /airbyte
 
-LABEL io.airbyte.version=0.4.0
+LABEL io.airbyte.version=0.4.1
 LABEL io.airbyte.name=airbyte/source-postgres

airbyte-integrations/connectors/source-postgres/src/main/java/io/airbyte/integrations/source/postgres/PostgresSource.java

@@ -117,8 +117,10 @@ public AirbyteCatalog discover(final JsonNode config) throws Exception {
   }
 
   @Override
-  public List<CheckedConsumer<JdbcDatabase, Exception>> getCheckOperations(final JsonNode config) throws Exception {
-    final List<CheckedConsumer<JdbcDatabase, Exception>> checkOperations = new ArrayList<>(super.getCheckOperations(config));
+  public List<CheckedConsumer<JdbcDatabase, Exception>> getCheckOperations(final JsonNode config)
+      throws Exception {
+    final List<CheckedConsumer<JdbcDatabase, Exception>> checkOperations = new ArrayList<>(
+        super.getCheckOperations(config));
 
     if (isCdc(config)) {
       checkOperations.add(database -> {
@@ -129,21 +131,24 @@ public List<CheckedConsumer<JdbcDatabase, Exception>> getCheckOperations(final J
           ps.setString(2, PostgresUtils.getPluginValue(config.get("replication_method")));
           ps.setString(3, config.get("database").asText());
 
-          LOGGER.info("Attempting to find the named replication slot using the query: " + ps.toString());
+          LOGGER.info(
+              "Attempting to find the named replication slot using the query: " + ps.toString());
 
           return ps;
         }, sourceOperations::rowToJson).collect(toList());
 
         if (matchingSlots.size() != 1) {
-          throw new RuntimeException("Expected exactly one replication slot but found " + matchingSlots.size()
-              + ". Please read the docs and add a replication slot to your database.");
+          throw new RuntimeException(
+              "Expected exactly one replication slot but found " + matchingSlots.size()
+                  + ". Please read the docs and add a replication slot to your database.");
         }
 
       });
 
       checkOperations.add(database -> {
         final List<JsonNode> matchingPublications = database.query(connection -> {
-          final PreparedStatement ps = connection.prepareStatement("SELECT * FROM pg_publication WHERE pubname = ?");
+          final PreparedStatement ps = connection
+              .prepareStatement("SELECT * FROM pg_publication WHERE pubname = ?");
           ps.setString(1, config.get("replication_method").get("publication").asText());
 
           LOGGER.info("Attempting to find the publication using the query: " + ps.toString());
@@ -152,8 +157,9 @@ public List<CheckedConsumer<JdbcDatabase, Exception>> getCheckOperations(final J
         }, sourceOperations::rowToJson).collect(toList());
 
         if (matchingPublications.size() != 1) {
-          throw new RuntimeException("Expected exactly one publication but found " + matchingPublications.size()
-              + ". Please read the docs and add a publication to your database.");
+          throw new RuntimeException(
+              "Expected exactly one publication but found " + matchingPublications.size()
+                  + ". Please read the docs and add a publication to your database.");
         }
 
       });
@@ -163,7 +169,9 @@ public List<CheckedConsumer<JdbcDatabase, Exception>> getCheckOperations(final J
   }
 
   @Override
-  public AutoCloseableIterator<AirbyteMessage> read(final JsonNode config, final ConfiguredAirbyteCatalog catalog, final JsonNode state)
+  public AutoCloseableIterator<AirbyteMessage> read(final JsonNode config,
+                                                    final ConfiguredAirbyteCatalog catalog,
+                                                    final JsonNode state)
       throws Exception {
     // this check is used to ensure that have the pgoutput slot available so Debezium won't attempt to
     // create it.
@@ -177,7 +185,8 @@ public AutoCloseableIterator<AirbyteMessage> read(final JsonNode config, final C
   }
 
   @Override
-  public List<AutoCloseableIterator<AirbyteMessage>> getIncrementalIterators(final JdbcDatabase database,
+  public List<AutoCloseableIterator<AirbyteMessage>> getIncrementalIterators(
+                                                                             final JdbcDatabase database,
                                                                              final ConfiguredAirbyteCatalog catalog,
                                                                              final Map<String, TableInfo<CommonField<JDBCType>>> tableNameToTable,
                                                                              final StateManager stateManager,
@@ -192,10 +201,13 @@ public List<AutoCloseableIterator<AirbyteMessage>> getIncrementalIterators(final
      */
     final JsonNode sourceConfig = database.getSourceConfig();
     if (isCdc(sourceConfig)) {
-      final AirbyteDebeziumHandler handler = new AirbyteDebeziumHandler(sourceConfig, PostgresCdcTargetPosition.targetPosition(database),
+      final AirbyteDebeziumHandler handler = new AirbyteDebeziumHandler(sourceConfig,
+          PostgresCdcTargetPosition.targetPosition(database),
           PostgresCdcProperties.getDebeziumProperties(sourceConfig), catalog, false);
-      return handler.getIncrementalIterators(new PostgresCdcSavedInfoFetcher(stateManager.getCdcStateManager().getCdcState()),
-          new PostgresCdcStateHandler(stateManager), new PostgresCdcConnectorMetadataInjector(), emittedAt);
+      return handler.getIncrementalIterators(
+          new PostgresCdcSavedInfoFetcher(stateManager.getCdcStateManager().getCdcState()),
+          new PostgresCdcStateHandler(stateManager), new PostgresCdcConnectorMetadataInjector(),
+          emittedAt);
 
     } else {
       return super.getIncrementalIterators(database, catalog, tableNameToTable, stateManager, emittedAt);
@@ -228,13 +240,47 @@ private static AirbyteStream removeIncrementalWithoutPk(final AirbyteStream stre
   }
 
   @Override
-  public Set<JdbcPrivilegeDto> getPrivilegesTableForCurrentUser(final JdbcDatabase database, final String schema) throws SQLException {
+  public Set<JdbcPrivilegeDto> getPrivilegesTableForCurrentUser(final JdbcDatabase database,
+                                                                final String schema)
+      throws SQLException {
     return database.query(connection -> {
       final PreparedStatement ps = connection.prepareStatement(
-          "SELECT DISTINCT table_catalog, table_schema, table_name, privilege_type\n"
-              + "FROM   information_schema.table_privileges\n"
-              + "WHERE  grantee = ? AND privilege_type = 'SELECT'");
-      ps.setString(1, database.getDatabaseConfig().get("username").asText());
+          """
+                 SELECT DISTINCT table_catalog,
+                                 table_schema,
+                                 table_name,
+                                 privilege_type
+                 FROM            information_schema.table_privileges
+                 WHERE           grantee = ?
+                 AND             privilege_type = 'SELECT'
+                 UNION ALL
+                 SELECT r.rolname           AS table_catalog,
+                        n.nspname           AS table_schema,
+                        c.relname           AS table_name,
+                        -- the initial query is supposed to get a SELECT type. Since we use a UNION query
+                        -- to get Views that we can read (i.e. select) - then lets fill this columns with SELECT
+                        -- value to keep the backward-compatibility
+                        COALESCE ('SELECT') AS privilege_type
+                 FROM   pg_class c
+                 JOIN   pg_namespace n
+                 ON     n.oid = relnamespace
+                 JOIN   pg_roles r
+                 ON     r.oid = relowner,
+                 Unnest(COALESCE(relacl::text[], Format('{%s=arwdDxt/%s}', rolname, rolname)::text[])) acl,
+                        Regexp_split_to_array(acl, '=|/') s
+                 WHERE  r.rolname = ?
+                 AND    nspname = 'public'
+                        -- 'm' means Materialized View
+                 AND    c.relkind = 'm'
+                 AND    (
+                               -- all grants
+                               c.relacl IS NULL
+                               -- read grant
+                        OR     s[2] = 'r');
+          """);
+      final String username = database.getDatabaseConfig().get("username").asText();
+      ps.setString(1, username);
+      ps.setString(2, username);
       return ps;
     }, sourceOperations::rowToJson)
         .collect(toSet())

airbyte-integrations/connectors/source-postgres/src/test-integration/java/io/airbyte/integrations/io/airbyte/integration_tests/sources/PostgresSourceAcceptanceTest.java

@@ -31,6 +31,7 @@ public class PostgresSourceAcceptanceTest extends SourceAcceptanceTest {
 
   private static final String STREAM_NAME = "public.id_and_name";
   private static final String STREAM_NAME2 = "public.starships";
+  private static final String STREAM_NAME_MATERIALIZED_VIEW = "public.testview";
 
   private PostgreSQLContainer<?> container;
   private JsonNode config;
@@ -67,6 +68,7 @@ protected void setupEnvironment(final TestDestinationEnv environment) throws Exc
       ctx.fetch("INSERT INTO id_and_name (id, name) VALUES (1,'picard'),  (2, 'crusher'), (3, 'vash');");
       ctx.fetch("CREATE TABLE starships(id INTEGER, name VARCHAR(200));");
       ctx.fetch("INSERT INTO starships (id, name) VALUES (1,'enterprise-d'),  (2, 'defiant'), (3, 'yamato');");
+      ctx.fetch("CREATE MATERIALIZED VIEW testview AS select * from id_and_name where id = '2';");
       return null;
     });
 
@@ -113,6 +115,15 @@ protected ConfiguredAirbyteCatalog getConfiguredCatalog() {
                 STREAM_NAME2,
                 Field.of("id", JsonSchemaPrimitive.NUMBER),
                 Field.of("name", JsonSchemaPrimitive.STRING))
+                .withSupportedSyncModes(Lists.newArrayList(SyncMode.FULL_REFRESH, SyncMode.INCREMENTAL))),
+        new ConfiguredAirbyteStream()
+            .withSyncMode(SyncMode.INCREMENTAL)
+            .withCursorField(Lists.newArrayList("id"))
+            .withDestinationSyncMode(DestinationSyncMode.APPEND)
+            .withStream(CatalogHelpers.createAirbyteStream(
+                STREAM_NAME_MATERIALIZED_VIEW,
+                Field.of("id", JsonSchemaPrimitive.NUMBER),
+                Field.of("name", JsonSchemaPrimitive.STRING))
                 .withSupportedSyncModes(Lists.newArrayList(SyncMode.FULL_REFRESH, SyncMode.INCREMENTAL)))));
   }
 

docs/integrations/sources/postgres.md

@@ -257,6 +257,7 @@ According to Postgres [documentation](https://www.postgresql.org/docs/14/datatyp
 
 | Version | Date       | Pull Request                                           | Subject                                                                                                         |
 |:--------|:-----------|:-------------------------------------------------------|:----------------------------------------------------------------------------------------------------------------|
+| 0.4.1   | 2022-01-05 | [9116](https://github.com/airbytehq/airbyte/pull/9116) | Added materialized views processing                                                                                      |
 | 0.4.0   | 2021-12-13 | [8726](https://github.com/airbytehq/airbyte/pull/8726) | Support all Postgres types                                                                                      |
 | 0.3.17  | 2021-12-01 | [8371](https://github.com/airbytehq/airbyte/pull/8371) | Fixed incorrect handling "\n" in ssh key                                                                        |
 | 0.3.16  | 2021-11-28 | [7995](https://github.com/airbytehq/airbyte/pull/7995) | Fixed money type with amount > 1000                                                                             |