sql: add late binding for PL/pgSQL procedures behind cluster setting#170901
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sql: add late binding for PL/pgSQL procedures behind cluster setting#170901spilchen wants to merge 1 commit into
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Previously, PL/pgSQL procedure bodies were always analyzed at CREATE PROCEDURE time, recording back-references on referenced descriptors. References had to exist at CREATE time. This commit adds a new public cluster setting `sql.procedures.plpgsql.late_binding.enabled` (default false). When enabled, PL/pgSQL procedure bodies are parsed but not analyzed; references are resolved at CALL time, matching PostgreSQL PL/pgSQL semantics. LANGUAGE SQL procedures and UDFs always use early binding regardless of the setting. The gate is centralized in PLpgSQLProcedureLateBindingEnabled (which also checks clusterversion.V26_3) and applied at the three CREATE / CREATE OR REPLACE entry points: the legacy planner, the declarative schema changer, and the optbuilder. Improving the CREATE-time error message when a PL/pgSQL procedure body contains DDL but late binding is off is left to a follow-up; this commit preserves the existing V26_3 DDL-in-procedure behavior unchanged. Epic: CRDB-31256 Informs: cockroachdb#170651 Release note (sql change): Added public cluster setting `sql.procedures.plpgsql.late_binding.enabled` (default false). When enabled, PL/pgSQL procedure bodies are not resolved at CREATE PROCEDURE time; references are resolved at CALL time instead, matching PostgreSQL PL/pgSQL semantics. LANGUAGE SQL procedures and functions are unaffected. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Previously, PL/pgSQL procedure bodies were always analyzed at CREATE PROCEDURE time, recording back-references on referenced descriptors. References had to exist at CREATE time.
This commit adds a new public cluster setting
sql.procedures.plpgsql.late_binding.enabled(default false). When enabled, PL/pgSQL procedure bodies are parsed but not analyzed; references are resolved at CALL time, matching PostgreSQL PL/pgSQL semantics. LANGUAGE SQL procedures and UDFs always use early binding regardless of the setting.The gate is centralized in PLpgSQLProcedureLateBindingEnabled (which also checks clusterversion.V26_3) and applied at the three CREATE / CREATE OR REPLACE entry points: the legacy planner, the declarative schema changer, and the optbuilder.
Improving the CREATE-time error message when a PL/pgSQL procedure body contains DDL but late binding is off is left to a follow-up; this commit preserves the existing V26_3 DDL-in-procedure behavior unchanged.
Epic: CRDB-31256
Informs: #170651
Release note (sql change): Added public cluster setting
sql.procedures.plpgsql.late_binding.enabled(default false). When enabled, PL/pgSQL procedure bodies are not resolved at CREATE PROCEDURE time; references are resolved at CALL time instead, matching PostgreSQL PL/pgSQL semantics. LANGUAGE SQL procedures and functions are unaffected.