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Fix ALTER STATISTICS ... SET STATISTICS DEFAULT #228

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Fix ALTER STATISTICS ... SET STATISTICS DEFAULT #228

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5 changes: 4 additions & 1 deletion pglast/printers/ddl.py
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Original file line number Diff line number Diff line change
Expand Up @@ -940,7 +940,10 @@ def alter_stats_stmt(node, output):
output.write('IF EXISTS ')
output.print_name(node.defnames)
output.write(' SET STATISTICS ')
output.print_node(node.stxstattarget)
if node.stxstattarget is None:
output.write('DEFAULT')
else:
output.print_node(node.stxstattarget)


class AlterSubscriptionTypePrinter(IntEnumPrinter):
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3 changes: 3 additions & 0 deletions tests/test_printers_roundtrip/ddl/alter_statistics.sql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
ALTER STATISTICS st SET STATISTICS 100

ALTER STATISTICS IF EXISTS myschema.st SET STATISTICS DEFAULT