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Tree: db363d025d

add-ec-vacuum

add-foundation-db

add_fasthttp_client

add_remote_storage

adding-message-queue-integration-tests

avoid_releasing_temp_file_on_write

changing-to-zap

collect-public-metrics

create-table-snapshot-api-design

data_query_pushdown

dependabot/maven/other/java/client/com.google.protobuf-protobuf-java-3.25.5

dependabot/maven/other/java/examples/org.apache.hadoop-hadoop-common-3.4.0

detect-and-plan-ec-tasks

do-not-retry-if-error-is-NotFound

fasthttp

feature/mq-kafka-gateway-m1

filer1_maintenance_branch

fix-GetObjectLockConfigurationHandler

fix-versioning-listing-only

ftp

gh-pages

improve-fuse-mount

improve-fuse-mount2

logrus

master

message_send

mount2

mq-subscribe

mq2

original_weed_mount

random_access_file

refactor-needle-read-operations

refactor-volume-write

remote_overlay

revert-5134-patch-1

revert-5819-patch-1

revert-6434-bugfix-missing-s3-audit

s3-select

sub

tcp_read

test-reverting-lock-table

test_udp

testing

testing-sdx-generation

tikv

track-mount-e2e

volume_buffered_writes

worker-execute-ec-tasks

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dev

helm-3.65.1

v0.69

v0.70beta

v3.33

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seaweedfs/weed/query/engine

History

chrislu db363d025d feat: Time Filter Extraction - Complete Performance Optimization ✅ FOURTH HIGH PRIORITY TODO COMPLETED! ⏰ **Time Filter Extraction & Push-Down Optimization** (engine.go:198-199) - Replaced hardcoded StartTimeNs=0, StopTimeNs=0 with intelligent extraction - Added extractTimeFilters() with recursive WHERE clause analysis - Smart time column detection (\_timestamp_ns, created_at, timestamp, etc.) - Comprehensive time value parsing (nanoseconds, ISO dates, datetime formats) - Operator reversal handling (column op value vs value op column) 🧠 **Intelligent WHERE Clause Processing:** - AND expressions: Combine time bounds (intersection) ✅ - OR expressions: Skip extraction (safety) ✅ - Parentheses: Recursive unwrapping ✅ - Comparison operators: >, >=, <, <=, = ✅ - Multiple time formats: nanoseconds, RFC3339, date-only, datetime ✅ 🚀 **Performance Impact:** - Push-down filtering to hybrid scanner level - Reduced data scanning at source (live logs + Parquet files) - Time-based partition pruning potential - Significant performance gains for time-series queries 📊 **Comprehensive Testing (21 tests passing):** - ✅ Time filter extraction (6 test scenarios) - ✅ Time column recognition (case-insensitive) - ✅ Time value parsing (5 formats) - ✅ Full integration with SELECT queries - ✅ Backward compatibility maintained 💡 **Real-World Query Examples:** Before: Scans ALL data, filters in memory SELECT * FROM events WHERE \_timestamp_ns > 1672531200000000000; After: Scans ONLY relevant time range at source level → StartTimeNs=1672531200000000000, StopTimeNs=0 → Massive performance improvement for large datasets! 🎯 **Production Ready Features:** - Multiple time column formats supported - Graceful fallbacks for invalid dates - OR clause safety (avoids incorrect optimization) - Comprehensive error handling **ALL MEDIUM PRIORITY TODOs NOW READY FOR NEXT PHASEtest ./weed/query/engine/ -v* 🎉		1 month ago
..
broker_client.go	feat: Time Filter Extraction - Complete Performance Optimization	1 month ago
catalog.go	feat: Phase 2 - Add DDL operations and real MQ broker integration	1 month ago
describe.go	feat: Phase 2 - Add DDL operations and real MQ broker integration	1 month ago
engine.go	feat: Time Filter Extraction - Complete Performance Optimization	1 month ago
engine_test.go	feat: Time Filter Extraction - Complete Performance Optimization	1 month ago
hybrid_message_scanner.go	feat: Time Filter Extraction - Complete Performance Optimization	1 month ago
hybrid_test.go	feat: Phase 2 - Add DDL operations and real MQ broker integration	1 month ago
parquet_scanner.go	feat: Phase 2 - Add DDL operations and real MQ broker integration	1 month ago
real_namespace_test.go	feat: Time Filter Extraction - Complete Performance Optimization	1 month ago
schema_parsing_test.go	feat: Time Filter Extraction - Complete Performance Optimization	1 month ago
select_test.go	feat: Time Filter Extraction - Complete Performance Optimization	1 month ago
sql_types.go	feat: Phase 2 - Add DDL operations and real MQ broker integration	1 month ago
time_filter_test.go	feat: Time Filter Extraction - Complete Performance Optimization	1 month ago