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Remove redundant attributes from dbt models.

 1"""Remove redundant attributes from dbt models."""
 2
 3import json
 4
 5import pandas as pd
 6from sqlglot import exp
 7
 8from sqlmesh.utils.migration import index_text_type
 9
10
11def migrate(state_sync, **kwargs):  # type: ignore
12    engine_adapter = state_sync.engine_adapter
13    schema = state_sync.schema
14    snapshots_table = "_snapshots"
15    if schema:
16        snapshots_table = f"{schema}.{snapshots_table}"
17
18    new_snapshots = []
19
20    for name, identifier, version, snapshot, kind_name in engine_adapter.fetchall(
21        exp.select("name", "identifier", "version", "snapshot", "kind_name").from_(snapshots_table),
22        quote_identifiers=True,
23    ):
24        parsed_snapshot = json.loads(snapshot)
25        jinja_macros_global_objs = parsed_snapshot["node"]["jinja_macros"]["global_objs"]
26        if "config" in jinja_macros_global_objs and isinstance(
27            jinja_macros_global_objs["config"], dict
28        ):
29            for key in CONFIG_ATTRIBUTE_KEYS_TO_REMOVE:
30                jinja_macros_global_objs["config"].pop(key, None)
31
32        new_snapshots.append(
33            {
34                "name": name,
35                "identifier": identifier,
36                "version": version,
37                "snapshot": json.dumps(parsed_snapshot),
38                "kind_name": kind_name,
39            }
40        )
41
42    if new_snapshots:
43        engine_adapter.delete_from(snapshots_table, "TRUE")
44
45        index_type = index_text_type(engine_adapter.dialect)
46
47        engine_adapter.insert_append(
48            snapshots_table,
49            pd.DataFrame(new_snapshots),
50            columns_to_types={
51                "name": exp.DataType.build(index_type),
52                "identifier": exp.DataType.build(index_type),
53                "version": exp.DataType.build(index_type),
54                "snapshot": exp.DataType.build("text"),
55                "kind_name": exp.DataType.build(index_type),
56            },
57        )
58
59
60CONFIG_ATTRIBUTE_KEYS_TO_REMOVE = [
61    "config",
62    "config_call_dict",
63    "depends_on",
64    "dependencies",
65    "metrics",
66    "original_file_path",
67    "packages",
68    "patch_path",
69    "path",
70    "post-hook",
71    "pre-hook",
72    "raw_code",
73    "refs",
74    "resource_type",
75    "sources",
76    "sql",
77    "tests",
78    "unrendered_config",
79]
def migrate(state_sync, **kwargs): 
12def migrate(state_sync, **kwargs):  # type: ignore
13    engine_adapter = state_sync.engine_adapter
14    schema = state_sync.schema
15    snapshots_table = "_snapshots"
16    if schema:
17        snapshots_table = f"{schema}.{snapshots_table}"
18
19    new_snapshots = []
20
21    for name, identifier, version, snapshot, kind_name in engine_adapter.fetchall(
22        exp.select("name", "identifier", "version", "snapshot", "kind_name").from_(snapshots_table),
23        quote_identifiers=True,
24    ):
25        parsed_snapshot = json.loads(snapshot)
26        jinja_macros_global_objs = parsed_snapshot["node"]["jinja_macros"]["global_objs"]
27        if "config" in jinja_macros_global_objs and isinstance(
28            jinja_macros_global_objs["config"], dict
29        ):
30            for key in CONFIG_ATTRIBUTE_KEYS_TO_REMOVE:
31                jinja_macros_global_objs["config"].pop(key, None)
32
33        new_snapshots.append(
34            {
35                "name": name,
36                "identifier": identifier,
37                "version": version,
38                "snapshot": json.dumps(parsed_snapshot),
39                "kind_name": kind_name,
40            }
41        )
42
43    if new_snapshots:
44        engine_adapter.delete_from(snapshots_table, "TRUE")
45
46        index_type = index_text_type(engine_adapter.dialect)
47
48        engine_adapter.insert_append(
49            snapshots_table,
50            pd.DataFrame(new_snapshots),
51            columns_to_types={
52                "name": exp.DataType.build(index_type),
53                "identifier": exp.DataType.build(index_type),
54                "version": exp.DataType.build(index_type),
55                "snapshot": exp.DataType.build("text"),
56                "kind_name": exp.DataType.build(index_type),
57            },
58        )