Module prelude
Source pub use crate::columnar_value::ColumnarValue;
- Signature
- The Signature of a function defines its supported input types as well as its volatility.
- ScalarValue
- A dynamically typed, nullable single value.
- TypeSignature
- A function’s type signature, which defines the function’s supported argument types.
- Volatility
- A function’s volatility, which defines the functions eligibility for certain optimizations
- GREPTIME_COUNT
- Default counter column name for OTLP metrics.
- GREPTIME_PHYSICAL_TABLE
- Default physical table name
- GREPTIME_TIMESTAMP
- Default timestamp column name for Prometheus metrics.
- GREPTIME_VALUE
- Default value column name for Prometheus metrics.