Merge pull request #409 from erizocosmico/feature/rename-ref_commits-index

*: rename ref_commits index to history_index

Author: ajnavarro

docs/using-gitbase/examples.md

@@ -27,7 +27,7 @@ NATURAL JOIN
 	ref_commits
 WHERE
 	ref_commits.ref_name = 'HEAD'
-	AND ref_commits.index = 0;
+	AND ref_commits.history_index = 0;
 ```
 
 ## Commits that appear in more than one reference
@@ -86,7 +86,7 @@ NATURAL JOIN
 	ref_commits
 WHERE
 	ref_commits.ref_name = 'HEAD'
-	AND ref_commits.index BETWEEN 0 AND 5
+	AND ref_commits.history_index BETWEEN 0 AND 5
 	AND is_binary(blob_content) = false
     AND files.file_path NOT REGEXP '^vendor.*'
 	AND (

docs/using-gitbase/schema.md

@@ -173,11 +173,11 @@ This table represents the relation between commits and [files](#files). Using th
 | repository_id | TEXT  |
 | commit_hash   | TEXT  |
 | ref_name      | TEXT  |
-| index         | INT64 |
+| history_index | INT64 |
 +---------------+-------+
 ```
 
-This table allow us to get the commit history from a specific reference name. `index` column represent the position of the commit from a specific reference.
+This table allow us to get the commit history from a specific reference name. `history_index` column represents the position of the commit from a specific reference.
 
 This table it's like the [log](https://git-scm.com/docs/git-log) from a specific reference.
 

ref_commits.go

@@ -22,7 +22,7 @@ var RefCommitsSchema = sql.Schema{
 	{Name: "repository_id", Type: sql.Text, Source: RefCommitsTableName},
 	{Name: "commit_hash", Type: sql.Text, Source: RefCommitsTableName},
 	{Name: "ref_name", Type: sql.Text, Source: RefCommitsTableName},
-	{Name: "index", Type: sql.Int64, Source: RefCommitsTableName},
+	{Name: "history_index", Type: sql.Int64, Source: RefCommitsTableName},
 }
 
 var _ sql.PushdownProjectionAndFiltersTable = (*refCommitsTable)(nil)