Add clickhouse database support

This adds initial support for the clickhouse database system. Keywords
are currently based upon postgres, as the clickhouse docs do not provide
a good overview of all allowed keywords.

fix #53

Author: Patrick Pichler

dialect/clickhouse.go

@@ -389,6 +389,7 @@ const (
 	DatabaseDriverOracle     DatabaseDriver = "oracle"
 	DatabaseDriverH2         DatabaseDriver = "h2"
 	DatabaseDriverVertica    DatabaseDriver = "vertica"
+	DatabaseDriverClickhouse DatabaseDriver = "clickhouse"
 )
 
 func DataBaseKeywords(driver DatabaseDriver) []string {
@@ -413,6 +414,8 @@ func DataBaseKeywords(driver DatabaseDriver) []string {
 		return h2Keywords
 	case DatabaseDriverVertica:
 		return verticaKeywords
+	case DatabaseDriverClickhouse:
+		return clickhouseKeywords
 	default:
 		return sqliteKeywords
 	}
@@ -440,6 +443,8 @@ func DataBaseFunctions(driver DatabaseDriver) []string {
 		return []string{}
 	case DatabaseDriverVertica:
 		return verticaReservedWords
+	case DatabaseDriverClickhouse:
+		return []string{}
 	default:
 		return []string{}
 	}

dialect/keyword.go

@@ -24,13 +24,19 @@ require (
 )
 
 require (
+	github.com/ClickHouse/ch-go v0.58.2 // indirect
+	github.com/ClickHouse/clickhouse-go/v2 v2.17.1 // indirect
+	github.com/andybalholm/brotli v1.0.6 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.3 // indirect
 	github.com/elastic/go-sysinfo v1.11.2 // indirect
 	github.com/elastic/go-windows v1.0.1 // indirect
+	github.com/go-faster/city v1.0.1 // indirect
+	github.com/go-faster/errors v0.6.1 // indirect
 	github.com/go-logfmt/logfmt v0.6.0 // indirect
 	github.com/godror/knownpb v0.1.1 // indirect
 	github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 // indirect
 	github.com/golang-sql/sqlexp v0.1.0 // indirect
+	github.com/google/uuid v1.5.0 // indirect
 	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
 	github.com/jackc/pgconn v1.14.1 // indirect
 	github.com/jackc/pgio v1.0.0 // indirect
@@ -39,18 +45,26 @@ require (
 	github.com/jackc/pgservicefile v0.0.0-20231201235250-de7065d80cb9 // indirect
 	github.com/jackc/pgtype v1.14.0 // indirect
 	github.com/joeshaw/multierror v0.0.0-20140124173710-69b34d4ec901 // indirect
+	github.com/klauspost/compress v1.16.7 // indirect
 	github.com/mattn/go-colorable v0.1.6 // indirect
 	github.com/mattn/go-isatty v0.0.12 // indirect
 	github.com/mattn/go-runewidth v0.0.15 // indirect
+	github.com/paulmach/orb v0.10.0 // indirect
+	github.com/pierrec/lz4/v4 v4.1.18 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/procfs v0.12.0 // indirect
 	github.com/rivo/uniseg v0.4.4 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/segmentio/asm v1.2.0 // indirect
+	github.com/shopspring/decimal v1.3.1 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
 	github.com/xrash/smetrics v0.0.0-20231213231151-1d8dd44e695e // indirect
+	go.opentelemetry.io/otel v1.19.0 // indirect
+	go.opentelemetry.io/otel/trace v1.19.0 // indirect
 	golang.org/x/exp v0.0.0-20231226003508-02704c960a9b // indirect
 	golang.org/x/sys v0.15.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	google.golang.org/protobuf v1.32.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 	howett.net/plist v1.0.1 // indirect
 )