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Experiment: list and count agg columns from related tables #4969

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8 changes: 8 additions & 0 deletions db/records.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ def list_records_from_table(
group=None,
return_record_summaries=False,
table_record_summary_templates=None,
related_columns=None,
):
"""
Get records from a table.
Expand All @@ -36,6 +37,8 @@ def list_records_from_table(
group: An array of group definition objects.
return_record_summaries: Whether to return self record summaries.
table_record_summary_templates: A dict of record summary templates, per table.
related_columns: Optional list of related column requests to fetch
aggregated values from related tables.
"""
result = db_conn.exec_msar_func(
conn,
Expand All @@ -48,6 +51,7 @@ def list_records_from_table(
_json_or_none(group),
return_record_summaries,
_json_or_none(table_record_summary_templates),
_json_or_none(related_columns),
).fetchone()[0]
return result

Expand Down Expand Up @@ -89,6 +93,7 @@ def search_records_from_table(
offset=0,
return_record_summaries=False,
table_record_summary_templates=None,
related_columns=None,
):
"""
Get records from a table, according to a search specification
Expand All @@ -101,6 +106,8 @@ def search_records_from_table(
limit: The maximum number of rows we'll return.
return_record_summaries: Whether to return self record summaries.
table_record_summary_templates: A dict of record summary templates, per table.
related_columns: Optional list of related column requests to fetch
aggregated values from related tables.

The search definition objects should have the form
{"attnum": <int>, "literal": <text>}
Expand All @@ -115,6 +122,7 @@ def search_records_from_table(
offset,
return_record_summaries,
_json_or_none(table_record_summary_templates),
_json_or_none(related_columns),
).fetchone()[0]
return result

Expand Down
20 changes: 13 additions & 7 deletions db/sql/00_msar_all_objects_table.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -83,6 +83,7 @@ INSERT INTO msar.all_mathesar_objects VALUES
('__msar', '__msar.rename_schema(text,text)', 'FUNCTION', NULL),
('__msar', '__msar.rename_table(text,text)', 'FUNCTION', NULL),
('__msar', '__msar.set_not_nulls(text,__msar.not_null_def[])', 'FUNCTION', NULL),
('__msar', '__msar.split_ctes(text)', 'FUNCTION', NULL),
('__msar', '__msar.update_pk_sequence_to_latest(text,text)', 'FUNCTION', NULL),
('mathesar_types', 'mathesar_types.cast_to__double_quote_char_double_quote_("char")', 'FUNCTION', NULL),
('mathesar_types', 'mathesar_types.cast_to__double_quote_char_double_quote_(bigint)', 'FUNCTION', NULL),
Expand Down Expand Up @@ -1220,12 +1221,18 @@ INSERT INTO msar.all_mathesar_objects VALUES
('msar', 'msar.uri_parts(text)', 'FUNCTION', NULL),
('msar', 'msar.uri_path(text)', 'FUNCTION', NULL),
('msar', 'msar.uri_query(text)', 'FUNCTION', NULL),
('msar', 'msar.uri_scheme(text)', 'FUNCTION', NULL);


--
-- Name: all_mathesar_objects all_mathesar_objects_obj_schema_obj_name_obj_kind_key; Type: CONSTRAINT; Schema: msar; Owner: -
--
('msar', 'msar.uri_scheme(text)', 'FUNCTION', NULL),
('msar', 'msar.build_related_column_id(jsonb,integer)', 'FUNCTION', NULL),
('msar', 'msar.path_hash(jsonb)', 'FUNCTION', NULL),
('msar', 'msar.related_alias(text)', 'FUNCTION', NULL),
('msar', 'msar.value_col_name(integer,text)', 'FUNCTION', NULL),
('msar', 'msar.build_related_column_query(oid,jsonb,integer,text,text)', 'FUNCTION', NULL),
('msar', 'msar.build_related_columns_aggregation_query(jsonb,text)', 'FUNCTION', NULL),
('msar', 'msar.build_related_columns_ctes(oid,jsonb,text)', 'FUNCTION', NULL),
('msar', 'msar.build_related_columns_join_expr(oid,text,jsonb)', 'FUNCTION', NULL),
('msar', 'msar.list_records_from_table(oid,integer,integer,jsonb,jsonb,jsonb,boolean,jsonb,jsonb)', 'FUNCTION', NULL),
('msar', 'msar.search_records_from_table(oid,jsonb,integer,integer,boolean,jsonb,jsonb)', 'FUNCTION', NULL),
('msar', 'msar.split_ctes(text)', 'FUNCTION', NULL);

ALTER TABLE ONLY msar.all_mathesar_objects
ADD CONSTRAINT all_mathesar_objects_obj_schema_obj_name_obj_kind_key UNIQUE (obj_schema, obj_name, obj_kind);
Expand All @@ -1234,4 +1241,3 @@ ALTER TABLE ONLY msar.all_mathesar_objects
--
-- PostgreSQL database dump complete
--

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