Module dml_helpers 

DML planning helpers, split by concern:

• [value_convert] — ast::Expr -> SqlValue conversion
• [range_check] — declared-width coercion + range validation
• [insert_columns] — positional-insert column resolution
• [ast_extract] — table-name / primary-key point-lookup extraction
• [declared_defaults] — declared column DEFAULT materialization
• [vector_primary_insert] — vector-primary collection insert plans
• [vector_primary_dml] — vector-primary collection update / delete / truncate plans
• [kv_insert] — KV engine insert plans
• [kv_counter] — the row a KV counter atomic creates for an absent key
• [insert_select_bind] — INSERT ... SELECT target-column binding
• [params] — parameter structs for the helpers above

Enums

KvCounterFreshRow

The row a counter atomic creates for an absent key.

KvCounterKind

The kind of number a counter atomic moves.

Functions

extract_point_keys

Extract point-operation keys from WHERE clause (WHERE pk = literal OR pk IN (…)).

plan_kv_counter_fresh_row

Plan the row INSERT (key, column) VALUES (key, 0) stores in the KV collection info, for a counter of kind.