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fix(query): fix ifnull fallback in postgres

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This commit is contained in:
AarDG10 2026-01-22 00:26:31 +05:30
parent c988975c06
commit 0654de7e98
1 changed files with 18 additions and 0 deletions
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18
frappe/database/query.py
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@ -1607,6 +1607,24 @@ class Engine:
meta = frappe.get_meta(doctype)
df = meta.get_field(fieldname)
except Exception:
if frappe.db.db_type == "postgres":
"""check type and accordingly choose fallback (to avoid postgres type cast errors)"""
target_table = frappe.utils.get_table_name(doctype)
info_schema = frappe.qb.Schema("information_schema")
columns = info_schema.columns
current_schema = frappe.conf.get("db_schema", "public")
res = (
frappe.qb.from_(columns)
.select(columns.data_type)
.where(
(columns.table_name == target_table)
& (columns.column_name == fieldname)
& (columns.table_schema == current_schema)
)
).run(pluck=True)
db_type = res[0] if res else None
if db_type in ("smallint", "bigint", "int", "numeric"): # can add as needed
return "0"
return "''"
if df is None: