Module transform

Provides a publicly available interface to transform our SQL ASTs.

Structs

CreateSqlIdReplacer 🔒

CreateSqlRewriteSchema 🔒

CreateSqlRewriter 🔒

QueryIdentAgg 🔒

Visits a Query, assessing catalog item Idents’ use of a specified Ident.

Functions

ambiguous_err 🔒

create_stmt_rename

Changes the name used in an item’s CREATE statement. To complete a rename operation, you must also call create_stmt_rename_refs on all dependent items.

create_stmt_rename_refs

Updates all references of from_name in create_stmt to to_name or errors if request is ambiguous.

create_stmt_rename_schema_refs

Given a Statement rewrites all references of the schema name cur_schema_name to new_schema_name.

create_stmt_replace_ids

Updates all CatalogItemIds from the keys of ids to the values of ids within create_stmt.

rewrite_query 🔒

Rewrites query’s references of from to to or errors if too ambiguous.