branch-4.1: [fix](ddl) reject invalid IPv4 default value at CREATE TABLE time #62906#64488
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branch-4.1: [fix](ddl) reject invalid IPv4 default value at CREATE TABLE time #62906#64488github-actions[bot] wants to merge 1 commit into
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…2906) Problem Summary: `IPv4Literal.parseIPv4toLong` silently returned `0L` for invalid input (e.g. `'not_an_ip'`), so `ColumnDef.validateDefaultValue` accepted any string as an IPv4 default value at CREATE TABLE time. The invalid default only fails later at INSERT/stream load time. Changed the three `return 0L` error paths to `throw AnalysisException`, matching the behavior of `IPv6Literal` which already rejects invalid defaults at DDL time.
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Cherry-picked from #62906