Merge branch 'hanyuancheung-feature/support_clickhouse_grammar'

Merge pull request huandu#91 from huandu/feature-driver-valuer

fix huandu#90 Support driver.Valuer type in Struct and interpolate methods

Merge pull request huandu#87 from zhongr3n/zhongr3n/fix-insert-ignore

Add insert ignore support for postgres and sqlite

fix huandu#81 refactory struct field parser to make fieldas correct i…

…n all cases

Merge pull request huandu#79 from huandu/feature-fieldas

Add new `fieldas` tag to set AS name for SELECT

remove a call to StructField.IsExported as it is not in go1.13

Change path.

Merge pull request huandu#66 from huandu/flavor-sqlserver

Fix huandu#64 Add SQLServer flavor

fix huandu#65 Struct#InsertInto* methods are aware of omitempty optio…

…ns now

update github ci script