From 6d7aa931570ce67cc2b9e0695b5b3a039fcad79e Mon Sep 17 00:00:00 2001
From: Lex Berezhny <lex@damoti.com>
Date: Sat, 13 Jul 2019 00:35:25 -0400
Subject: [PATCH] sqlite_perf_test uses lbry.wallet.server.db.reader

---
 lbry/scripts/sqlite_perf_test.py | 83 +++++++++++---------------------
 1 file changed, 28 insertions(+), 55 deletions(-)

diff --git a/lbry/scripts/sqlite_perf_test.py b/lbry/scripts/sqlite_perf_test.py
index 8dd620e65..85893c2bc 100644
--- a/lbry/scripts/sqlite_perf_test.py
+++ b/lbry/scripts/sqlite_perf_test.py
@@ -1,73 +1,46 @@
-import uvloop, asyncio, sqlite3, time, sys
+import uvloop, asyncio, time, sys
 from concurrent.futures import ProcessPoolExecutor
-from contextvars import ContextVar
+from lbry.wallet.server.db import reader
 
 
 db_path = '/tmp/wallet-server/claims.db'
-db = ContextVar('db')
-
-
-def init():
-    conn = sqlite3.connect(db_path)
-    db.set(conn)
-
-
-def reader():
-    conn = db.get()
-    start = time.time()
-    conn.execute("""
-        SELECT 
-            claimtrie.claim_hash as is_controlling,
-            claimtrie.last_take_over_height,
-            claim.claim_hash, claim.txo_hash,
-            claim.claims_in_channel,
-            claim.height, claim.creation_height,
-            claim.activation_height, claim.expiration_height,
-            claim.effective_amount, claim.support_amount,
-            claim.trending_group, claim.trending_mixed,
-            claim.trending_local, claim.trending_global,
-            claim.short_url, claim.canonical_url,
-            claim.channel_hash, channel.txo_hash AS channel_txo_hash,
-            channel.height AS channel_height, claim.signature_valid
-        FROM claim
-            LEFT JOIN claimtrie USING (claim_hash)
-            LEFT JOIN claim as channel ON (claim.channel_hash=channel.claim_hash)
-        WHERE 
-            EXISTS(
-                SELECT 1 FROM tag WHERE claim.claim_hash=tag.claim_hash
-                AND tag IN ('alexandria ocasio-cortez', 'Alien', 'alt news', 'art', 'audio',
-                'automotive', 'beliefs', 'blockchain', 'dog grooming', 'economics', 'food',
-                'learning', 'mature', 'nature', 'news', 'physics', 'science', 'technology')
-            )
-            AND NOT EXISTS(
-                SELECT 1 FROM tag WHERE claim.claim_hash=tag.claim_hash AND tag IN ('nsfw', 'xxx', 'mature')
-            )
-        ORDER BY claim.height DESC, claim.normalized ASC
-        LIMIT 20 OFFSET 100
-    """).fetchall()
-    elapsed = time.time() - start
-    return elapsed
 
 
 async def run_times(executor, iterations, show=True):
-    start = time.time()
-    timings = await asyncio.gather(*(
-        asyncio.get_running_loop().run_in_executor(executor, reader) for _ in range(iterations)
-    ))
-    total = time.time() - start
+    start = time.perf_counter()
+    timings = await asyncio.gather(*(asyncio.get_running_loop().run_in_executor(
+        executor, reader.search_to_bytes, {
+            'no_totals': True,
+            'offset': 0,
+            'limit': 20,
+            'fee_amount': '<1',
+            #'all_tags': ['funny'],
+            'any_tags': [
+                'crypto',
+                'outdoors',
+                'cars',
+                'automotive'
+            ],
+            'not_tags': [
+                'nsfw', 'xxx', 'mature'
+            ]
+        }
+    ) for _ in range(iterations)))
+    timings = [r[1]['execute_query']['total'] for r in timings]
+    total = int((time.perf_counter() - start) * 100)
     if show:
         avg = sum(timings)/len(timings)
-        print(f"{iterations:4}: {total:.5f}ms total concurrent, {len(timings)*avg:.5f}ms total sequential (avg*runs)")
-        print(f"      {total/len(timings):.5f}ms/query concurrent (total/runs)")
-        print(f"      {avg:.5f}ms/query actual average (sum(queries)/runs)")
+        print(f"{iterations:4}: {total}ms total concurrent, {len(timings)*avg*1000:.3f}s total sequential (avg*runs)")
+        print(f"      {total/len(timings):.1f}ms/query concurrent (total/runs)")
+        print(f"      {avg:.1f}ms/query actual average (sum(queries)/runs)")
         sys.stdout.write('      sample:')
         for i, t in zip(range(10), timings[::-1]):
-            sys.stdout.write(f' {t:.5f}ms')
+            sys.stdout.write(f' {t}ms')
         print(' ...\n' if len(timings) > 10 else '\n')
 
 
 async def main():
-    executor = ProcessPoolExecutor(4, initializer=init)
+    executor = ProcessPoolExecutor(4, initializer=reader.initializer, initargs=(db_path, 'mainnet', True))
     await run_times(executor, 4, show=False)
     await run_times(executor, 1)
     await run_times(executor, 2**3)