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Added Foreign & Composite Primary Key support to mysqloo driver #27

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Added Foreign & Composite Primary Key support to mysqloo driver #27

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28a2769
Added Foreign & Composite Primary Key support to mysqloo driver
nodgear Sep 2, 2022
8b40325
removed debug printing
nodgear Sep 2, 2022
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38 changes: 33 additions & 5 deletions lua/sqlier/drivers/mysqloo.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -52,11 +52,13 @@ function db:initialize(options)
self.Dataflow:degreeOfParallelism(1)
end

self.MaxRetries = options.maxRetries or 3
self.Connection:connect()
end

function db:validateSchema(schema)
schema.NormalizedColumnsCache = {}
schema.ForeignKeysCache = {}

for key in pairs(schema.Columns) do
schema.NormalizedColumnsCache[string.lower(key)] = true
Expand All @@ -80,14 +82,16 @@ function db:validateSchema(schema)

query = query .. type

if name == schema.Identity then
query = query .. " PRIMARY KEY"
if schema.Identity and isstring(schema.Identity) then
if schema.Identity == name then
query = query .. " PRIMARY KEY"
end
end

if options.AutoIncrement then
query = query .. " AUTO_INCREMENT"
end

if type == sqlier.Type.Timestamp and name == "CreateTimestamp" then
query = query .. " DEFAULT CURRENT_TIMESTAMP"
elseif type == sqlier.Type.Timestamp and name == "UpdateTimestamp" then
Expand All @@ -97,6 +101,26 @@ function db:validateSchema(schema)
end

query = query .. ", "

if options.Relation then
local Table = options.Relation.Table
local Column = options.Relation.Column

if (!Column || !Table) then continue end

table.insert(schema.ForeignKeysCache, { Name = name, Table = Table, Column = Column })
end
end

if istable(schema.Identity) and #schema.Identity > 0 then
query = query .. "PRIMARY KEY (`" .. table.concat(schema.Identity, "`, `") .. "`), "
end

if #schema.ForeignKeysCache > 0 then
for _, foreignKey in ipairs(schema.ForeignKeysCache) do
query = query .. "FOREIGN KEY (`" .. foreignKey.Name .. "`) REFERENCES `" .. foreignKey.Table .. "`(`" .. foreignKey.Column .. "`)"
query = query .. ", "
end
end

query = query:sub(1, -3) .. ")"
Expand Down Expand Up @@ -132,9 +156,13 @@ function db:query(query, callback)
end
end

self:logError("Query Failed: " .. err .. "(" .. usedQuery .. ")")
if usedQuery then
self:logError("Query failed: " .. err .. "(" .. usedQuery .. ")")
else
self:logError(err)
end

if tries < 3 then
if tries < self.MaxRetries then
tries = tries + 1
q:start()
end
Expand Down