v1.2.6

Major Features

Query

• Optimize datafusion plan, remove unnecessary node #1150
• Optimize disk cache, avoid panic when cache file is corrupted #1130
• Support PostgreSQL protocol #1138

Remote engine

• Optimize remote server's protocol, reduce payload overhead when write batch is small #1146

WAL

• Open wal parallelly #1129
• Introduce columnar encoding

What's Changed

• chore: remove the codes about the reverse reading by @ShiKaiWi in #1116
• fix: meta service change to meta_runtime by @jiacai2050 in #1121
• feat: add obkv operation metrics by @jiacai2050 in #1122
• chore: check response header when query failed in proxy by @chunshao90 in #1119
• feat: add metrics for prom route query by @jiacai2050 in #1123
• chore: add metric for manifest recover by @Rachelint in #1124
• refactor: use BinaryExpr to present regex filter by @tanruixiang in #1128
• feat: make obkv wal opening more parallelly by @Rachelint in #1129
• fix: upgrade obkv cilent to fix panic in mysql crate by @chunshao90 in #1131
• feat: hotspot record remote engine requests by @jiacai2050 in #1127
• chore: bump datafusion by @jiacai2050 in #1133
• chore: add apache license checker by @tanruixiang in #1134
• refactor: refactor query engine by @Rachelint in #1137
• chore: don't trigger image build via tag push by @jiacai2050 in #1139
• feat: support PostgreSQL wire protocol by @holicc in #1138
• chore: bump obkv by @jiacai2050 in #1141
• fix: record remote engine requests by @jiacai2050 in #1140
• fix: avoid panic when the file is corrupted in disk cache by @ShiKaiWi in #1130
• chore: bump to 1.2.6-alpha by @jiacai2050 in #1142
• chore: add apache license template by @tanruixiang in #1143
• chore: update pre-commit config by @tanruixiang in #1145
• feat: remove filter plan node in pipeline by @dust1 in #1126
• refactor: add datafusion default optimizer rules by @jiacai2050 in #1147
• refactor: use new protocol for remote engine service write by @ShiKaiWi in #1146
• refactor: add support_pushdown in table trait by @jiacai2050 in #1150
• refactor: improve the partition compute by @ShiKaiWi in #1151
• refactor: add request id in context by @jiacai2050 in #1153
• feat: teach ceresdb to generate UnresolvedPartitionedScan for partitioned table by @Rachelint in #1148
• fix: deadline check by @jiacai2050 in #1159
• test: add integration test for distinct by @jiacai2050 in #1155
• chore: define QueryEngine and wrap all things into it by @Rachelint in #1160
• fix: add order by for integration test case by @ShiKaiWi in #1162
• feat: support columar encoding for datums by @ShiKaiWi in #1158
• refactor: pass the TaskContext when execute physical plan rather than holding it by @Rachelint in #1163
• chore: add metrics for write logs in wal by @ShiKaiWi in #1166
• chore(deps): bump rustls-webpki from 0.100.1 to 0.100.2 by @dependabot in #1168
• feat: implement compression encoding for columar bytes values by @ShiKaiWi in #1165
• feat: implement columnar encoding for integer by @ShiKaiWi in #1169
• feat: implement boolean columnar encoding by @ShiKaiWi in #1170
• feat: separate metadata from parquet's kv_metadata by @tanruixiang in #1120
• feat: make float as number encoding by @ShiKaiWi in #1171
• chore: modified Acknowledgements by @tanruixiang in #1174
• feat: teach ceresdb to convert the inexecutable partitioned scan to executable(resolving process) by @Rachelint in #1161
• chore: add fields metrics by @jiacai2050 in #1176
• chore: remove hybrid related logic by @jiacai2050 in #1172
• feat: implement a basic columnar memory table by @chunshao90 in #1164
• feat: teach ceresdb to encode/decode datafusion physical plan by @Rachelint in #1177
• chore: upgrade nightly rust to 1.72 by @ShiKaiWi in #1184
• refactor: make enable_partition_table_access a config by @baojinri in #1182
• chore: modified README-CN's Acknowledgements by @tanruixiang in #1183
• fix: recover memtable misuse ColumnarMemTable by @chunshao90 in #1187
• fix: not consume all the datums if some of them is empty by @ShiKaiWi in #1181
• chore: add metrics for meta data cache hit rate by @ShiKaiWi in #1188
• chore: bump to 1.2.6 by @jiacai2050 in #1192

New Contributors

• @holicc made their first contribution in #1138

Full Changelog: v1.2.5...v1.2.6