65 lines
2.8 KiB
Go
65 lines
2.8 KiB
Go
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package stardb
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import (
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"errors"
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"fmt"
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)
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var (
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// Lifecycle errors.
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ErrDBNotInitialized = errors.New("database is not initialized; call Open or SetDB first")
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ErrTxNotInitialized = errors.New("transaction is not initialized")
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ErrStmtNotInitialized = errors.New("statement is not initialized")
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ErrStmtDBNotInitialized = errors.New("statement database context is not initialized")
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// SQL input errors.
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ErrQueryEmpty = errors.New("query string cannot be empty")
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ErrScanStopped = errors.New("scan stopped by callback")
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ErrScanFuncNil = errors.New("scan callback cannot be nil")
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ErrScanORMFuncNil = errors.New("scan orm callback cannot be nil")
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// Mapping and schema errors.
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ErrColumnNotFound = errors.New("column not found")
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ErrFieldNotFound = errors.New("field not found")
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ErrRowIndexOutOfRange = errors.New("row index out of range")
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// Target validation errors.
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ErrTargetNil = errors.New("target cannot be nil")
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ErrTargetsNil = errors.New("targets cannot be nil")
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ErrTargetNotPointer = errors.New("target must be a pointer")
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ErrTargetPointerNil = errors.New("target pointer cannot be nil")
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ErrTargetsPointerNil = errors.New("targets pointer is nil")
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ErrTargetNotStruct = errors.New("target is not a struct")
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ErrTargetNotWritable = errors.New("target is not writable")
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ErrPointerTargetNil = errors.New("pointer target is nil")
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// SQL builder errors.
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ErrTableNameEmpty = errors.New("table name cannot be empty")
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ErrPrimaryKeyRequired = errors.New("at least one primary key is required")
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ErrPrimaryKeyEmpty = errors.New("primary key cannot be empty")
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ErrNoInsertColumns = errors.New("no columns to insert")
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ErrNoInsertValues = errors.New("no values to insert")
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ErrBatchInsertMaxParamsTooLow = errors.New("batch insert max params is lower than column count")
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ErrNoUpdateFields = errors.New("no fields to update after excluding primary keys")
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ErrBatchRowValueCountMismatch = errors.New("row values count does not match columns")
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ErrStructsNil = errors.New("structs cannot be nil")
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ErrStructsPointerNil = errors.New("structs pointer is nil")
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ErrStructsNotSlice = errors.New("structs must be a slice or array")
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ErrNoStructsToInsert = errors.New("no structs to insert")
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// Transaction helper errors.
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ErrTxFuncNil = errors.New("transaction callback cannot be nil")
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)
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func wrapColumnNotFound(column string) error {
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return fmt.Errorf("%w: %s", ErrColumnNotFound, column)
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}
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func wrapFieldNotFound(field string) error {
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return fmt.Errorf("%w: %s", ErrFieldNotFound, field)
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}
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func wrapBatchRowValueCountMismatch(rowIndex, got, expected int) error {
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return fmt.Errorf("%w: row %d has %d values, expected %d", ErrBatchRowValueCountMismatch, rowIndex, got, expected)
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}
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