iridium_core 0.1.12

SQL Server-compatible Rust engine core for Iridium SQL
Documentation 
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use crate::error::DbError;
use crate::types::Value;

use super::super::super::context::ExecutionContext;

pub(crate) fn eval_error_message(ctx: &ExecutionContext) -> Result<Value, DbError> {
    Ok(match &ctx.frame.last_error {
        Some(e) => Value::VarChar(e.to_string()),
        None => Value::Null,
    })
}

pub(crate) fn eval_error_number(ctx: &ExecutionContext) -> Result<Value, DbError> {
    Ok(match &ctx.frame.last_error {
        Some(err) => Value::Int(err.number()),
        None => Value::Null,
    })
}

pub(crate) fn eval_error_severity(ctx: &ExecutionContext) -> Result<Value, DbError> {
    Ok(match &ctx.frame.last_error {
        Some(err) => Value::Int(err.class_severity() as i32),
        None => Value::Null,
    })
}

pub(crate) fn eval_error_state(ctx: &ExecutionContext) -> Result<Value, DbError> {
    Ok(match &ctx.frame.last_error {
        Some(_) => Value::Int(1), // Default state
        None => Value::Null,
    })
}