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schema table sensors

column count

Full sensor name

table/schema/column_count
Description
Table schema data quality sensor that reads the metadata from a monitored data source and counts the number of columns.

SQL Template (Jinja2)


column list ordered hash

Full sensor name

table/schema/column_list_ordered_hash
Description
Table schema data quality sensor detects if the list and order of columns have changed on the table. The sensor calculates a hash of the list of column names. The hash value depends on the names of the columns and the order of the columns.

SQL Template (Jinja2)


column list unordered hash

Full sensor name

table/schema/column_list_unordered_hash
Description
Table schema data quality sensor detects if the list of columns have changed on the table. The sensor calculates a hash of the list of column names. The hash value depends on the names of the columns, but not on the order of columns.

SQL Template (Jinja2)


column types hash

Full sensor name

table/schema/column_types_hash
Description
Table schema data quality sensor detects if the list of columns has changed or any of the column has a new data type, length, scale, precision or nullability. The sensor calculates a hash of the list of column names and all components of the column's type (the type name, length, scale, precision, nullability). The hash value does not depend on the order of columns.

SQL Template (Jinja2)