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loader: purge legacy driver in overlay namespace on teardown (self-heal nw-uns-modbus placeholder)

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This commit is contained in:
Joseph Doherty
2026-06-08 07:07:22 -04:00
parent a6fa36043a
commit eb8b44c29d
1 changed files with 6 additions and 0 deletions
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otopcua-uns-loader/otopcua_uns.py
+6
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@@ -254,6 +254,9 @@ def cmd_populate_equipment(args):
cur.execute("DELETE FROM dbo.Equipment WHERE UnsLineId LIKE 'nw-line-%'")
cur.execute("DELETE FROM dbo.UnsLine WHERE UnsLineId LIKE 'nw-line-%'")
cur.execute("DELETE FROM dbo.UnsArea WHERE UnsAreaId LIKE 'nw-area-%'")
# Equipment is now driver-less, but purge any driver still bound to the overlay namespace —
# self-heals environments that ran an older loader which created the 'nw-uns-modbus' placeholder.
cur.execute("DELETE FROM dbo.DriverInstance WHERE NamespaceId=%s", (EQ_NS,))
cur.execute("DELETE FROM dbo.Namespace WHERE NamespaceId=%s", (EQ_NS,))
cur.execute(
@@ -328,6 +331,9 @@ def cmd_clean(args):
cur.execute("DELETE FROM dbo.Equipment WHERE UnsLineId LIKE 'nw-line-%'")
cur.execute("DELETE FROM dbo.UnsLine WHERE UnsLineId LIKE 'nw-line-%'")
cur.execute("DELETE FROM dbo.UnsArea WHERE UnsAreaId LIKE 'nw-area-%'")
# Purge any driver still bound to the overlay namespace (e.g. the legacy 'nw-uns-modbus'
# placeholder created by an older loader) so 'clean' fully removes the overlay.
cur.execute("DELETE FROM dbo.DriverInstance WHERE NamespaceId=%s", (EQ_NS,))
cur.execute("DELETE FROM dbo.Namespace WHERE NamespaceId=%s", (EQ_NS,))
conn.commit()
conn.close()