jazzina / ltreefield

Django Field class for PostgreSQL ltree data type.

ltreefield

Django Field class for PostgreSQL ltree data type.

Class

LtreeField

Lookups

• aore
  • ltree @> ltree
  • is left argument an ancestor of right (or equal)?
• dore
  • ltree <@ ltree
  • is left argument a descendant of right (or equal)?
• match
  • ltree ~ lquery
  • does ltree match lquery?

Usage

path__aore='Top.Science' # path @> 'Top.Science'
path__dore='Top.Science' # path <@ 'Top.Science'
path__match='*.Astronomy.*' # path ~ '*.Astronomy.*'

Reference

PostgreSQL: Documentation: 9.3: ltree