Redefines settings of various kinds. Affects the expressions that follow. If necessary and logically possible, you can change the value of this setting several times within a given query to make it different at different execution steps.
PRAGMA x.y = "z"; or
PRAGMA x.y("z", "z2", "z3");:
x: (optional) The category of the setting.
y: The name of the setting.
z: (optional for flags) The value of the setting. The following suffixes are acceptable:
Gb: For the data amounts.
d: For the time values.
With some exceptions, you can return the settings values to their default states using
PRAGMA my_pragma = default;.
PRAGMA supported in YQL
||String||—||Add the specified prefix to the cluster table paths. It uses standard file system path concatenation: it supports parent folder referencing
The prefix is not added, if the table name is an absolute path (starts with /).
2. Warning code or
In this case, all the warnings are treated as errors, except for the warning