Handle nullable columns for databases using pointers

Some databases (e.g. clickhouse) is using pointer values to represent
nullable values when querying from the database. The current logic to
transform values to strings when querying data, does not handle this
correctly. It will simply transform the pointer to a string, which
results in the pointer address being printed.

To handle this, the value reported from the sql driver will now tried to
be extracted, if it is a pointer. This means the value of the pointer
will then be transformed to a string, instead of the pointer directly.

Additionally, some cases where this was causing issues in the clickhouse
implementation have been fixed.

Fixes sqls-server#151

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/denisenkom/go-mssqldb v0.12.3
 	github.com/go-sql-driver/mysql v1.7.1
 	github.com/godror/godror v0.41.0
-	github.com/google/go-cmp v0.5.9
+	github.com/google/go-cmp v0.6.0
 	github.com/jackc/pgx/v4 v4.18.1
 	github.com/jfcote87/sshdb v0.5.3
 	github.com/k0kubun/colorstring v0.0.0-20150214042306-9440f1994b88 // indirect
@@ -18,26 +18,26 @@ require (
 )
 
 require (
+	github.com/ClickHouse/clickhouse-go/v2 v2.23.2
 	github.com/k0kubun/pp v3.0.1+incompatible
 	github.com/mattn/go-sqlite3 v1.14.19
 	github.com/olekukonko/tablewriter v0.0.5
 	github.com/vertica/vertica-sql-go v1.3.3
 )
 
 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/ClickHouse/ch-go v0.61.5 // indirect
+	github.com/andybalholm/brotli v1.1.0 // 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-faster/errors v0.7.1 // 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/google/uuid v1.6.0 // 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
@@ -46,26 +46,26 @@ 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/klauspost/compress v1.17.8 // 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/paulmach/orb v0.11.1 // indirect
+	github.com/pierrec/lz4/v4 v4.1.21 // 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/shopspring/decimal v1.4.0 // 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
+	go.opentelemetry.io/otel v1.26.0 // indirect
+	go.opentelemetry.io/otel/trace v1.26.0 // indirect
 	golang.org/x/exp v0.0.0-20231226003508-02704c960a9b // indirect
-	golang.org/x/sys v0.15.0 // indirect
+	golang.org/x/sys v0.19.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
-	google.golang.org/protobuf v1.32.0 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	howett.net/plist v1.0.1 // indirect
 )