Manual:$wgTemplateLinksSchemaMigrationStage

Database settings: $wgTemplateLinksSchemaMigrationStage
templatelinks table schema migration stage, for normalizing tl_namespace and tl_title fields.
Introduced in version:1.38.0 (Gerrit change 760583; git #f7298b59)
Removed in version:1.43.0 (Gerrit change 1032027; git #420e0712)
Allowed values:(integer)
Default value:SCHEMA_COMPAT_WRITE_NEW | SCHEMA_COMPAT_READ_NEW (1.39+)
SCHEMA_COMPAT_OLD (1.38)

Details

templatelinks table schema migration stage, for normalizing tl_namespace and tl_title fields.

Use the SCHEMA_COMPAT_XXX flags. Supported values:

SCHEMA_COMPAT_OLD SCHEMA_COMPAT_WRITE_OLD | SCHEMA_COMPAT_READ_OLD 3 (removed in 1.39)
SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD 259
SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW 769
SCHEMA_COMPAT_NEW SCHEMA_COMPAT_WRITE_NEW | SCHEMA_COMPAT_READ_NEW 768