Uroš Bojanić created SPARK-58760:
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Summary: Use consistent colName interpolation in CatalogColumnStat
Key: SPARK-58760
URL: https://issues.apache.org/jira/browse/SPARK-58760
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 4.3.0
Reporter: Uroš Bojanić
CatalogColumnStat.toMap and fromMap build the table-property keys for column
statistics by interpolating the column name and a key constant, and they mix
${colName} with the bare $colName for the same value, including on adjacent
lines (the histogram key already uses $colName).
This unbraces the 14 remaining ${colName} occurrences to $colName, matching the
file's own dominant style. The qualified selects such as
${CatalogColumnStat.KEY_VERSION} keep their braces, since dropping those would
interpolate the object and append the member name as literal text.
Behavior is unchanged: in every case colName is a simple parameter immediately
followed by a dot, so $colName. parses identically to ${colName}. and the
generated property keys are byte-for-byte the same, preserving metadata
compatibility.
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