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30 lines
945 B
Go
30 lines
945 B
Go
package clickhouse
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// QuoteIdent returns a quoted identifier if it needs quoting.
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// ClickHouse uses backticks or double quotes for quoting identifiers.
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func (p *Parser) QuoteIdent(s string) string {
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// For now, don't quote - can be extended to quote when necessary
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return s
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}
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// TypeName returns the SQL type name for the given namespace and name.
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func (p *Parser) TypeName(ns, name string) string {
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if ns != "" {
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return ns + "." + name
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}
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return name
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}
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// Param returns the parameter placeholder for the given number.
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// ClickHouse uses {name:Type} for named parameters, but for positional
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// parameters we use ? which is supported by the clickhouse-go driver.
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func (p *Parser) Param(n int, numbered bool) string {
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return "?"
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}
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// Cast returns a type cast expression.
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// ClickHouse uses CAST(expr AS type) syntax, same as MySQL.
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func (p *Parser) Cast(arg, typeName string) string {
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return "CAST(" + arg + " AS " + typeName + ")"
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}
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