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perf: add additional covering index to ahb_expressions #227

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Merged
hf-kklein merged 3 commits into from
Dec 16, 2025
Merged

perf: add additional covering index to ahb_expressions #227

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d814de1
perf: add additional covering index to `ahb_expressions`
Dec 16, 2025
756b94f
Update src/fundamend/sqlmodels/expression_view.py
hf-kklein Dec 16, 2025
ad3f856
the first arg to Index is the index name, not the first column involved
Dec 16, 2025
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10 changes: 10 additions & 0 deletions src/fundamend/sqlmodels/expression_view.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
from typing import Optional

from efoli import EdifactFormat, EdifactFormatVersion
from sqlalchemy import Index

from fundamend.sqlmodels import AhbHierarchyMaterialized, Bedingung
from fundamend.sqlmodels.anwendungshandbuch import Paket, UbBedingung
Expand Down Expand Up @@ -229,6 +230,15 @@ class AhbExpression(SQLModel, table=True):
"expression",
name="idx_ahb_expressions_metadata_expression",
),
Index(
# this is to speed up the v_ahb_diff joins
"idx_ahb_expressions_covering_v_ahb_diff",
"edifact_format_version",
"format",
"expression",
"node_texts",
"ahbicht_error_message",
),
)
id: uuid.UUID = Field(primary_key=True, default_factory=uuid.uuid4)
edifact_format_version: EdifactFormatVersion = Field(index=True)
Expand Down