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[fix](Outfile) It doesn't specify String logical type when it coms to export data to parquet file format. #42918

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merged 1 commit into from
Nov 1, 2024
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[fix](Outfile) It doesn't specify String logical type when it coms to export data to parquet file format. #42918

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7 changes: 7 additions & 0 deletions fe/fe-core/src/main/java/org/apache/doris/analysis/OutFileClause.java
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,7 @@ public class OutFileClause {
PARQUET_DATA_LOGICAL_TYPE_TYPE_MAP.put("decimal", TParquetDataLogicalType.DECIMAL);
PARQUET_DATA_LOGICAL_TYPE_TYPE_MAP.put("date", TParquetDataLogicalType.DATE);
PARQUET_DATA_LOGICAL_TYPE_TYPE_MAP.put("datetime", TParquetDataLogicalType.TIMESTAMP);
PARQUET_DATA_LOGICAL_TYPE_TYPE_MAP.put("string", TParquetDataLogicalType.STRING);
// TODO(ftw): add other logical type
PARQUET_DATA_LOGICAL_TYPE_TYPE_MAP.put("none", TParquetDataLogicalType.NONE);

Expand Down Expand Up @@ -560,6 +561,12 @@ private void genParquetSchema(List<Expr> resultExprs, List<String> colLabels) th
}

switch (expr.getType().getPrimitiveType()) {
case CHAR:
case VARCHAR:
case STRING: {
parquetSchema.schema_data_logical_type = PARQUET_DATA_LOGICAL_TYPE_TYPE_MAP.get("string");
break;
}
case DECIMAL32:
case DECIMAL64:
case DECIMAL128: {
Expand Down
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