Release client 0.11.1

client/Makefile

@@ -13,8 +13,8 @@ OLD_VERSIONS = $(wildcard old_versions/*.sql)
 # @see http://www.postgresql.org/docs/current/static/extend-pgxs.html
 DATA =  $(NEW_EXTENSION_ARTIFACT) \
   $(OLD_VERSIONS) \
-  cdb_dataservices_client--0.10.2--0.11.0.sql \
+  cdb_dataservices_client--0.11.0--0.11.1.sql \
-  cdb_dataservices_client--0.11.0--0.10.2.sql
+  cdb_dataservices_client--0.11.1--0.11.0.sql
 
 
 REGRESS = $(notdir $(basename $(wildcard test/sql/*test.sql)))

client/cdb_dataservices_client--0.11.0--0.11.1.sql

@@ -0,0 +1,140 @@
+--DO NOT MODIFY THIS FILE, IT IS GENERATED AUTOMATICALLY FROM SOURCES
+-- Complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION cdb_dataservices_client UPDATE TO '0.11.1'" to load this file. \quit
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_client.__DST_PrepareTableOBS_GetMeasure(
+    username text,
+    orgname text,
+    user_db_role text,
+    user_schema text,
+    output_table_name text,
+    params json
+) RETURNS boolean AS $$
+    function_name = 'OBS_GetMeasure'
+    # Obtain return types for augmentation procedure
+    ds_return_metadata = plpy.execute("SELECT colnames, coltypes "
+        "FROM cdb_dataservices_client._DST_GetReturnMetadata({username}::text, {orgname}::text, {function_name}::text, {params}::json);"
+        .format(
+            username=plpy.quote_nullable(username),
+            orgname=plpy.quote_nullable(orgname),
+            function_name=plpy.quote_literal(function_name),
+            params=plpy.quote_literal(params)
+            )
+        )
+    if ds_return_metadata[0]["colnames"]:
+        colnames_arr = ds_return_metadata[0]["colnames"]
+        coltypes_arr = ds_return_metadata[0]["coltypes"]
+    else:
+        raise Exception('Error retrieving OBS_GetMeasure metadata')
+
+
+    # Prepare column and type strings required in the SQL queries
+    columns_with_types_arr = [colnames_arr[i] + ' ' + coltypes_arr[i] for i in range(0,len(colnames_arr))]
+    columns_with_types = ','.join(columns_with_types_arr)
+
+    # Create a new table with the required columns
+    plpy.execute('CREATE TABLE "{schema}".{table_name} ( '
+        'cartodb_id int, the_geom geometry, {columns_with_types} '
+        ');'
+        .format(schema=user_schema, table_name=output_table_name, columns_with_types=columns_with_types)
+        )
+
+    plpy.execute('ALTER TABLE "{schema}".{table_name} OWNER TO "{user}";'
+        .format(schema=user_schema, table_name=output_table_name, user=user_db_role)
+        )
+
+    return True
+$$ LANGUAGE plpythonu;
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_client.__DST_PopulateTableOBS_GetMeasure(
+    username text,
+    orgname text,
+    user_db_role text,
+    user_schema text,
+    dbname text,
+    table_name text,
+    output_table_name text,
+    params json
+) RETURNS boolean AS $$
+    function_name = 'OBS_GetMeasure'
+    # Obtain return types for augmentation procedure
+    ds_return_metadata = plpy.execute(
+        "SELECT colnames, coltypes "
+        "FROM cdb_dataservices_client._DST_GetReturnMetadata({username}::text, {orgname}::text, {function_name}::text, {params}::json);" .format(
+            username=plpy.quote_nullable(username),
+            orgname=plpy.quote_nullable(orgname),
+            function_name=plpy.quote_literal(function_name),
+            params=plpy.quote_literal(params)))
+
+    if ds_return_metadata[0]["colnames"]:
+        colnames_arr = ds_return_metadata[0]["colnames"]
+        coltypes_arr = ds_return_metadata[0]["coltypes"]
+    else:
+        raise Exception('Error retrieving OBS_GetMeasure metadata')
+
+    # Prepare column and type strings required in the SQL queries
+    columns_with_types_arr = [
+        colnames_arr[i] +
+        ' ' +
+        coltypes_arr[i] for i in range(
+            0,
+            len(colnames_arr))]
+    columns_with_types = ','.join(columns_with_types_arr)
+    aliased_colname_list = ','.join(
+        ['result.' + name for name in colnames_arr])
+
+    # Instruct the OBS server side to establish a FDW
+    # The metadata is obtained as well in order to:
+    #   - (a) be able to write the query to grab the actual data to be executed in the remote server via pl/proxy,
+    #   - (b) be able to tell OBS to free resources when done.
+    ds_fdw_metadata = plpy.execute(
+        "SELECT schemaname, tabname, servername "
+        "FROM cdb_dataservices_client._DST_ConnectUserTable({username}::text, {orgname}::text, {user_db_role}::text, "
+        "{schema}::text, {dbname}::text, {table_name}::text);" .format(
+            username=plpy.quote_nullable(username),
+            orgname=plpy.quote_nullable(orgname),
+            user_db_role=plpy.quote_literal(user_db_role),
+            schema=plpy.quote_literal(user_schema),
+            dbname=plpy.quote_literal(dbname),
+            table_name=plpy.quote_literal(table_name)))
+
+    if ds_fdw_metadata[0]["schemaname"]:
+        server_schema = ds_fdw_metadata[0]["schemaname"]
+        server_table_name = ds_fdw_metadata[0]["tabname"]
+        server_name = ds_fdw_metadata[0]["servername"]
+    else:
+        raise Exception('Error connecting dataset via FDW')
+
+    # Create a new table with the required columns
+    plpy.execute(
+        'INSERT INTO "{schema}".{analysis_table_name} '
+        'SELECT ut.cartodb_id, ut.the_geom, {colname_list} '
+        'FROM "{schema}".{table_name} ut '
+        'LEFT JOIN _DST_FetchJoinFdwTableData({username}::text, {orgname}::text, {server_schema}::text, {server_table_name}::text, '
+        '{function_name}::text, {params}::json) '
+        'AS result ({columns_with_types}, cartodb_id int)  '
+        'ON result.cartodb_id = ut.cartodb_id;' .format(
+            schema=user_schema,
+            analysis_table_name=output_table_name,
+            colname_list=aliased_colname_list,
+            table_name=table_name,
+            username=plpy.quote_nullable(username),
+            orgname=plpy.quote_nullable(orgname),
+            server_schema=plpy.quote_literal(server_schema),
+            server_table_name=plpy.quote_literal(server_table_name),
+            function_name=plpy.quote_literal(function_name),
+            params=plpy.quote_literal(params),
+            columns_with_types=columns_with_types))
+
+    # Wipe user FDW data from the server
+    wiped = plpy.execute(
+        "SELECT cdb_dataservices_client._DST_DisconnectUserTable({username}::text, {orgname}::text, {server_schema}::text, "
+        "{server_table_name}::text, {fdw_server}::text)" .format(
+            username=plpy.quote_nullable(username),
+            orgname=plpy.quote_nullable(orgname),
+            server_schema=plpy.quote_literal(server_schema),
+            server_table_name=plpy.quote_literal(server_table_name),
+            fdw_server=plpy.quote_literal(server_name)))
+
+    return True
+$$ LANGUAGE plpythonu;

client/cdb_dataservices_client--0.11.1--0.11.0.sql

@@ -0,0 +1,140 @@
+--DO NOT MODIFY THIS FILE, IT IS GENERATED AUTOMATICALLY FROM SOURCES
+-- Complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION cdb_dataservices_client UPDATE TO '0.11.0'" to load this file. \quit
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_client.__DST_PrepareTableOBS_GetMeasure(
+    username text,
+    orgname text,
+    user_db_role text,
+    user_schema text,
+    output_table_name text,
+    params json
+) RETURNS boolean AS $$
+    function_name = 'GetMeasure'
+    # Obtain return types for augmentation procedure
+    ds_return_metadata = plpy.execute("SELECT colnames, coltypes "
+        "FROM cdb_dataservices_client._DST_GetReturnMetadata({username}::text, {orgname}::text, {function_name}::text, {params}::json);"
+        .format(
+            username=plpy.quote_nullable(username),
+            orgname=plpy.quote_nullable(orgname),
+            function_name=plpy.quote_literal(function_name),
+            params=plpy.quote_literal(params)
+            )
+        )
+    if ds_return_metadata[0]["colnames"]:
+        colnames_arr = ds_return_metadata[0]["colnames"]
+        coltypes_arr = ds_return_metadata[0]["coltypes"]
+    else:
+        raise Exception('Error retrieving OBS_GetMeasure metadata')
+
+
+    # Prepare column and type strings required in the SQL queries
+    columns_with_types_arr = [colnames_arr[i] + ' ' + coltypes_arr[i] for i in range(0,len(colnames_arr))]
+    columns_with_types = ','.join(columns_with_types_arr)
+
+    # Create a new table with the required columns
+    plpy.execute('CREATE TABLE "{schema}".{table_name} ( '
+        'cartodb_id int, the_geom geometry, {columns_with_types} '
+        ');'
+        .format(schema=user_schema, table_name=output_table_name, columns_with_types=columns_with_types)
+        )
+
+    plpy.execute('ALTER TABLE "{schema}".{table_name} OWNER TO "{user}";'
+        .format(schema=user_schema, table_name=output_table_name, user=user_db_role)
+        )
+
+    return True
+$$ LANGUAGE plpythonu;
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_client.__DST_PopulateTableOBS_GetMeasure(
+    username text,
+    orgname text,
+    user_db_role text,
+    user_schema text,
+    dbname text,
+    table_name text,
+    output_table_name text,
+    params json
+) RETURNS boolean AS $$
+    function_name = 'GetMeasure'
+    # Obtain return types for augmentation procedure
+    ds_return_metadata = plpy.execute(
+        "SELECT colnames, coltypes "
+        "FROM cdb_dataservices_client._DST_GetReturnMetadata({username}::text, {orgname}::text, {function_name}::text, {params}::json);" .format(
+            username=plpy.quote_nullable(username),
+            orgname=plpy.quote_nullable(orgname),
+            function_name=plpy.quote_literal(function_name),
+            params=plpy.quote_literal(params)))
+
+    if ds_return_metadata[0]["colnames"]:
+        colnames_arr = ds_return_metadata[0]["colnames"]
+        coltypes_arr = ds_return_metadata[0]["coltypes"]
+    else:
+        raise Exception('Error retrieving OBS_GetMeasure metadata')
+
+    # Prepare column and type strings required in the SQL queries
+    columns_with_types_arr = [
+        colnames_arr[i] +
+        ' ' +
+        coltypes_arr[i] for i in range(
+            0,
+            len(colnames_arr))]
+    columns_with_types = ','.join(columns_with_types_arr)
+    aliased_colname_list = ','.join(
+        ['result.' + name for name in colnames_arr])
+
+    # Instruct the OBS server side to establish a FDW
+    # The metadata is obtained as well in order to:
+    #   - (a) be able to write the query to grab the actual data to be executed in the remote server via pl/proxy,
+    #   - (b) be able to tell OBS to free resources when done.
+    ds_fdw_metadata = plpy.execute(
+        "SELECT schemaname, tabname, servername "
+        "FROM cdb_dataservices_client._DST_ConnectUserTable({username}::text, {orgname}::text, {user_db_role}::text, "
+        "{schema}::text, {dbname}::text, {table_name}::text);" .format(
+            username=plpy.quote_nullable(username),
+            orgname=plpy.quote_nullable(orgname),
+            user_db_role=plpy.quote_literal(user_db_role),
+            schema=plpy.quote_literal(user_schema),
+            dbname=plpy.quote_literal(dbname),
+            table_name=plpy.quote_literal(table_name)))
+
+    if ds_fdw_metadata[0]["schemaname"]:
+        server_schema = ds_fdw_metadata[0]["schemaname"]
+        server_table_name = ds_fdw_metadata[0]["tabname"]
+        server_name = ds_fdw_metadata[0]["servername"]
+    else:
+        raise Exception('Error connecting dataset via FDW')
+
+    # Create a new table with the required columns
+    plpy.execute(
+        'INSERT INTO "{schema}".{analysis_table_name} '
+        'SELECT ut.cartodb_id, ut.the_geom, {colname_list} '
+        'FROM "{schema}".{table_name} ut '
+        'LEFT JOIN _DST_FetchJoinFdwTableData({username}::text, {orgname}::text, {server_schema}::text, {server_table_name}::text, '
+        '{function_name}::text, {params}::json) '
+        'AS result ({columns_with_types}, cartodb_id int)  '
+        'ON result.cartodb_id = ut.cartodb_id;' .format(
+            schema=user_schema,
+            analysis_table_name=output_table_name,
+            colname_list=aliased_colname_list,
+            table_name=table_name,
+            username=plpy.quote_nullable(username),
+            orgname=plpy.quote_nullable(orgname),
+            server_schema=plpy.quote_literal(server_schema),
+            server_table_name=plpy.quote_literal(server_table_name),
+            function_name=plpy.quote_literal(function_name),
+            params=plpy.quote_literal(params),
+            columns_with_types=columns_with_types))
+
+    # Wipe user FDW data from the server
+    wiped = plpy.execute(
+        "SELECT cdb_dataservices_client._DST_DisconnectUserTable({username}::text, {orgname}::text, {server_schema}::text, "
+        "{server_table_name}::text, {fdw_server}::text)" .format(
+            username=plpy.quote_nullable(username),
+            orgname=plpy.quote_nullable(orgname),
+            server_schema=plpy.quote_literal(server_schema),
+            server_table_name=plpy.quote_literal(server_table_name),
+            fdw_server=plpy.quote_literal(server_name)))
+
+    return True
+$$ LANGUAGE plpythonu;

client/cdb_dataservices_client.control

@@ -1,5 +1,5 @@
 comment = 'CartoDB dataservices client API extension'
-default_version = '0.11.0'
+default_version = '0.11.1'
 requires = 'plproxy, cartodb'
 superuser = true
 schema = cdb_dataservices_client