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fix: NUMERIC vs BIGNUMERIC column type selection based on precision and scale #1165

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fix: NUMERIC vs BIGNUMERIC column type selection based on precision and scale #1165

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Fix: NUMERIC vs BIGNUMERIC column type selection based on precision a…
claytonjroberts Feb 14, 2025
03d2e7d
Fix: NUMERIC vs BIGNUMERIC column type selection based on precision a…
claytonjroberts Feb 14, 2025
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Merge branch 'main' into main
claytonjroberts Mar 8, 2025
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Merge branch 'main' of github.com:claytonjroberts/python-bigquery-sql…
claytonjroberts Mar 8, 2025
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Merge branch 'main' into main
claytonjroberts Mar 10, 2025
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9 changes: 5 additions & 4 deletions sqlalchemy_bigquery/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -630,11 +630,12 @@ def visit_NUMERIC(self, type_, **kw):
else:
suffix = ""

# From the GCP Console for BQ when creating a NUMERIC column:
# > precision and scale for NUMERIC must be: 0 <= precision - scale <= 29
return (
"BIGNUMERIC"
if (type_.precision is not None and type_.precision > 38)
or (type_.scale is not None and type_.scale > 9)
else "NUMERIC"
"NUMERIC"
if (0 <= (type_.precision or 0) - (type_.scale or 0) <= 29)
else "BIGNUMERIC"
) + suffix

visit_DECIMAL = visit_NUMERIC
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