def table_from_ptrref(
ptrref: irast.PointerRef,
*,
include_descendants: bool = True,
for_mutation: bool = False,
ctx: context.CompilerContextLevel,
) -> pgast.RelRangeVar:
"""Return a Table corresponding to a given Link."""
table_schema_name, table_name = common.get_pointer_backend_name(
ptrref.id,
ptrref.name.module,
aspect=('table'
if for_mutation or not include_descendants else 'inhview'),
catenate=False,
)
if ptrref.name.module in {'cfg', 'sys'}:
# Redirect all queries to schema tables to edgedbss
table_schema_name = 'edgedbss'
relation = pgast.Relation(schemaname=table_schema_name, name=table_name)
# Pseudo pointers (tuple and type intersection) have no schema id.
sobj_id = ptrref.id if isinstance(ptrref, irast.PointerRef) else None
rvar = pgast.RelRangeVar(
schema_object_id=sobj_id,
relation=relation,
include_inherited=include_descendants,
alias=pgast.Alias(
aliasname=ctx.env.aliases.get(ptrref.shortname.name)))
return rvar
def table_from_ptrref(ptrref: irast.PointerRef, *,
env: context.Environment) -> pgast.RangeVar:
"""Return a Table corresponding to a given Link."""
table_schema_name, table_name = common.get_pointer_backend_name(
ptrref.id, ptrref.module_id, catenate=False)
if ptrref.shortname.module in {'schema', 'cfg', 'sys'}:
# Redirect all queries to schema tables to edgedbss
table_schema_name = 'edgedbss'
relation = pgast.Relation(schemaname=table_schema_name, name=table_name)
rvar = pgast.RangeVar(
relation=relation,
alias=pgast.Alias(aliasname=env.aliases.get(ptrref.shortname.name)))
return rvar
