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179a7b446e
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
${ noResults }
Implemented String Functions:
- LENGTH: Get string length (supports all value types)
- UPPER/LOWER: Case conversion
- TRIM/LTRIM/RTRIM: Whitespace removal (space, tab, newline, carriage return)
- SUBSTRING: Extract substring with optional length (SQL 1-based indexing)
- CONCAT: Concatenate multiple values (supports mixed types, skips nulls)
- REPLACE: Replace all occurrences of substring
- POSITION: Find substring position (1-based, 0 if not found)
- LEFT/RIGHT: Extract leftmost/rightmost characters
- REVERSE: Reverse string with proper Unicode support
Key Features:
- Robust type conversion (string, int, float, bool, bytes)
- Unicode-safe operations (proper rune handling in REVERSE)
- SQL-compatible indexing (1-based for SUBSTRING, POSITION)
- Comprehensive error handling with descriptive messages
- Mixed-type support (e.g., CONCAT number with string)
Helper Functions:
- valueToString: Convert any schema_pb.Value to string
- valueToInt64: Convert numeric values to int64
Comprehensive test suite with 25+ test cases covering:
- All string functions with typical use cases
- Type conversion scenarios (numbers, booleans)
- Edge cases (empty strings, null values, Unicode)
- Error conditions and boundary testing
All tests passing ✅
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1 month ago | |
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seaweedfs | 3.97 | 1 month ago |
artifacthub-repo.yml | Update artifacthub-repo-stable.yml (#4330) | 3 years ago |