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refactor(state): table-drive the session upsert keep-existing tail, compact module-constant comments

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Teknium
2026-09-02 23:55:33 -07:00
parent d90c39a58c
commit cfb268a6c9
2 changed files with 33 additions and 42 deletions
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hermes_state_sessions.py
+11 -10
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@@ -183,6 +183,16 @@ _SAME_KEY_NAMESPACE_SQL = (
)
# Upsert tail of _insert_session_row: every routing/metadata column keeps the value an
# earlier writer set (whitespace is part of the SQL text).
_UPSERT_KEEP_EXISTING_SQL = ",\n".join(
f" {col} = COALESCE(sessions.{col}, excluded.{col})" for col in (
"session_key", "chat_id", "chat_type", "thread_id", "parent_session_id", "cwd", "profile_name",
"git_repo_root", "origin_json", "display_name",
)
)
def _inherit_col_sql(col: str, extra: str = "") -> str:
"""``col = COALESCE(sessions.col, (SELECT p.col FROM parent))`` (whitespace is part of the SQL text)."""
pad = " " * (30 + len(col))
@@ -301,16 +311,7 @@ class SessionSessionsMixin:
THEN NULL
ELSE sessions.system_prompt
END,
session_key = COALESCE(sessions.session_key, excluded.session_key),
chat_id = COALESCE(sessions.chat_id, excluded.chat_id),
chat_type = COALESCE(sessions.chat_type, excluded.chat_type),
thread_id = COALESCE(sessions.thread_id, excluded.thread_id),
parent_session_id = COALESCE(sessions.parent_session_id, excluded.parent_session_id),
cwd = COALESCE(sessions.cwd, excluded.cwd),
profile_name = COALESCE(sessions.profile_name, excluded.profile_name),
git_repo_root = COALESCE(sessions.git_repo_root, excluded.git_repo_root),
origin_json = COALESCE(sessions.origin_json, excluded.origin_json),
display_name = COALESCE(sessions.display_name, excluded.display_name)""",
""" + _UPSERT_KEEP_EXISTING_SQL,
(
session_id, source, user_id, session_key, chat_id, chat_type, thread_id, model,
json.dumps(model_config) if model_config else None, system_prompt_hash,