swaroopak commented on a change in pull request #514: PHOENIX-5261: Implement
ALTER TABLE/VIEW ADD COLUMN CASCADE
URL: https://github.com/apache/phoenix/pull/514#discussion_r292104788
##########
File path:
phoenix-core/src/main/java/org/apache/phoenix/schema/MetaDataClient.java
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@@ -3693,6 +3704,26 @@ public MutationState addColumn(PTable table,
List<ColumnDef> origColumnDefs,
.setTableName(tableName).build().buildException();
}
PColumn column = newColumn(position++, colDef,
PrimaryKeyConstraint.EMPTY, table.getDefaultFamilyName() == null ? null :
table.getDefaultFamilyName().getString(), true, columnQualifierBytes,
willBeImmutableRows);
+ HashMap<PTable, PColumn> indexColumn = null;
+ if (cascade) {
+ if (colDef.isPK()) {
+ //only supported for non pk column
+ throw new SQLExceptionInfo.Builder(
+
SQLExceptionCode.NOT_SUPPORTED_CASCADE_FEATURE_PK)
+ .build()
+ .buildException();
+ }
+ indexColumn = new
HashMap(indexesPTable.size());
+ for (PTable index : indexesPTable) {
+ int iPos = index.getColumns().size();
+ PDataType indexColDataType =
IndexUtil.getIndexColumnDataType(colDef.isNull(), colDef.getDataType());
+ ColumnName indexColName =
ColumnName.caseSensitiveColumnName(IndexUtil.getIndexColumnName(familyName,
colDef.getColumnDefName().getColumnName()));
+ ColumnDef indexColDef =
FACTORY.columnDef(indexColName, indexColDataType.getSqlTypeName(),
colDef.isNull(), colDef.getMaxLength(), colDef.getScale(), false,
colDef.getSortOrder(), colDef.getExpression(), colDef.isRowTimestamp());
+ PColumn iColumn = newColumn(iPos,
indexColDef, null, "", false, null, willBeImmutableRows);
Review comment:
Good catch! Thank you for noticing.
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